Title: Charlton Athletic F.C.
Content:  appeared on the team's shirts. With the exception of one season, Charlton have always played in red and white - colours chosen by the boys who founded Charlton Athletic in 1905 after having to play their first matches in the borrowed kits of their local rivals Woolwich Arsenal, who also played in red and white. The exception came during part of the 1923–24 season when Charlton wore the colours of Catford Southend as part of the proposed move to Catford, which were light and dark blue stripes. However, after the move fell through, Charlton returned to wearing red and white as their home colours.
Title: Charlton Athletic F.C.
Content:  Charlton Athletic Football Club is an English professional association football club based in Charlton, south-east London. They currently compete in League One, the third tier of English football. The club was founded on 9 June 1905. Their home ground is The Valley, where the club have played since 1919, apart from one year in Catford, during 1923–24, and seven years at Crystal Palace and West Ham United between 1985 and 1992, due to financial issues, and then safety concerns raised by the local council. The club's fans formed the Valley Party, nominating candidates to stand in local elections, in a bid to return the club to The Valley. Charlton 
Title: Charlton Athletic F.C.
Content:  professional in 1920 and first entered the Football League in 1921. Since then the club has had four separate periods in the top flight of English football: 1936–1957, 1986–1990, 1998–1999, and 2000–2007. Historically, Charlton's most successful period was the 1930s, when the club's highest league finishes were recorded, including runners-up of the First Division in 1937. After World War II, Charlton reached two consecutive FA Cup finals, losing in 1946, and winning in 1947. The club's traditional kit consists of red shirts, white shorts and red socks, and their most commonly used nickname is The Addicks. Charlton share local rivalries with fellow South London clubs Crystal Palace and Millwall.
Title: Charlton Athletic F.C.
Content:  Charlton have used a number of crests and badges during their history, although the current design has not been changed since 1968. The first known badge, from the 1930s, consisted of the letters CAF in the shape of a club from a pack of cards. In the 1940s, Charlton used a design featuring a robin sitting in a football within a shield, sometimes with the letters CAFC in the four-quarters of the shield, which was worn for the 1946 FA Cup Final. In the late 1940s and early 1950s, the crest of the former metropolitan borough of Greenwich was used as a symbol for 
Title: Carshalton Athletic F.C.
Content:  Carshalton Athletic's original colours were those inherited from St Andrews who played in Red with white stripes. After the name change the club went on to win successive promotions in 1908, 1909 and 1910 which were rewarded with election to the Junior Division of the Southern Suburban League. During this time the club put out a reserve side and a midweek Carshalton Wednesday side (many different clubs set up these sides to play after the shops had shut 'early' on Wednesdays) and these two sides both performed well – the reserves winning the Croydon and District League Division 2A in 1909 and Carshalton Wednesday were runners up in the inaugural Surrey County Midweek Cup. Before the outbreak of the 
Title: R. Charleroi S.C.
Content:  The colours of Charleroi are black and white with a shirt generally striped, which led to the team being nicknamed The Zebras.
Title: Charlton Athletic F.C.
Content:  by the Southern League and played just a single season (1920–21) before being voted into the Football League. Charlton's first Football League match was against Exeter City in August 1921, which they won 1–0. In 1923, Charlton became "giant killers" in the FA Cup beating top flight sides Manchester City, West Bromwich Albion, and Preston North End before losing to eventual winners Bolton Wanderers in the Quarter-Finals. Later that year, it was proposed that Charlton merge with Catford Southend to create a larger team with bigger support. In the 1923–24 season Charlton played in Catford at The Mount stadium and wore the colours of "The Enders", light and dark blue vertical stripes. However, 
Title: 2021–22 Charlton Athletic F.C. season
Content:  The 2021–22 Charlton Athletic season is the club's 116th season in their existence, after having been founded in 1905, and their second back in League One following relegation from the Championship in 2020. Along with competing in League One, the club will also participate in the FA Cup, EFL Cup and the EFL Trophy. The season covers the period from 1 July 2021 to 30 June 2022.
Title: Charleston Battery
Content:  Charleston's traditional colors are yellow, black and red. In the Battery's first few seasons, the home kit was typically black and white with a red accent. Beginning in 1997 the club began using black with yellow stripes, which has remained in use as the home jersey ever since. The Charleston away kit has typically been a combination of red, white and black, though for the 2017 season the away kit is either the 25 Anniversary black and silver combination, or white and black. The club badge remained the same iconic logo from 1993 through the 2019 season, other than minor adjustments in color, resolution and the addition of four stars representing each of the team's league championships. It 
Title: 2020–21 Charlton Athletic F.C. season
Content:  The 2020–21 Charlton Athletic season is the club's 115th season in their existence, after having been founded in 1905, and their first back in League One following relegation from the Championship. Along with competing in League One, the club will also participate in the FA Cup, EFL Cup and the EFL Trophy. The season covers the period from 1 August 2020 to 30 June 2021.

Question: What color is Charlton Athletic F.C?
Answer: red.
red color.