Document ID: chunk:federal_register_of_legislation:F2023C00919:body:0:p24
Version: federal_register_of_legislation:F2023C00919
Segment Type: other
Provision Reference: 
Character Range: 77726–80699

0.310

With intersection points:
    x      y
W1  0.310  0.348
W2  0.453  0.440
W3  0.500  0.440
W4  0.500  0.382
W5  0.443  0.382
W6  0.310  0.283

2.29.2.                          "Selective-yellow" means the chromaticity coordinates (x,y)4 of the light emitted that lie inside the chromaticity areas defined by the boundaries:
SY12  green boundary            y = 1.290 x - 0.100
SY23  the spectral locus
SY34  red boundary              y = 0.138 + 0.580 x
SY45  yellowish white boundary  y = 0.440
SY51  white boundary            y = 0.940 - x

With intersection points:
     x      y
SY1  0.454  0.486
SY2  0.480  0.519
SY3  0.545  0.454
SY4  0.521  0.440
SY5  0.500  0.440

2.29.3.                          "Amber" means the chromaticity coordinates (x,y)4 of the light emitted that lie inside the chromaticity areas defined by the boundaries:
A12  green boundary      y = x - 0.120
A23  the spectral locus
A34  red boundary        y = 0.390
A41  white boundary      y = 0.790 - 0.670 x

    With intersection points:
    x      y
A1  0.545  0.425
A2  0.560  0.440
A3  0.609  0.390
A4  0.597  0.390

2.29.4.                          "Red" means the chromaticity coordinates (x,y)4 of the light emitted that lie inside the chromaticity areas defined by the boundaries:
R12  yellow boundary     y = 0.335
R23  the spectral locus
R34  the purple line     (its linear extension across the purple range of colours between the red and the blue extremities of the spectral locus).
R41  purple boundary:    y = 0.980 – x

With intersection points:

    x      y
R1  0.645  0.335
R2  0.665  0.335
R3  0.735  0.265
R4  0.721  0.259

2.30.                                Night-time Colour of the light retro-reflected from a device excluding retro reflective tires according to Regulation No. 88
2.30.1.                          "White" means the chromaticity coordinates (x,y)4 of the light reflected that lie inside the chromaticity areas defined by the boundaries:
W12  blue boundary:   y = 0.843 - 1.182 x
W23  violet boundary  y = 0.489 x + 0.146
W34  yellow boundary  y = 0.968 - 1.010 x
W41  green boundary   y = 1.442 x - 0.136

With intersection points:
    x      y
W1  0.373  0.402
W2  0.417  0.350
W3  0.548  0.414
W4  0.450  0.513

2.30.2.                          "Yellow" means the chromaticity coordinates (x,y)4 of the light reflected that lie inside the chromaticity areas defined by the boundaries:
Y12  green boundary      y = x - 0.040
Y23  the spectral locus
Y34  red boundary        y = 0.200 x + 0.268
Y41  white boundary      y = 0.970 - x

With intersection points:
    x      y
Y1  0.505  0.465
Y2  0.520  0.480
Y3  0.610  0.390
Y4  0.585  0.385

2.30.3.                          "Amber" means the chromaticity coordinates (x,y)4 of the light reflected that lie inside the chromaticity areas defined by the boundaries:
A12  green boundary      y = 1.417 x - 0.347
A23  the spectral locus
A34  red boundary        y = 0.390
A41  white boundary