Colour
#B4B428
- #B4B428
- Yellow
- Dark
- Nearest: Olive
#B4B428 is a yellow with RGB values 180, 180, 40 and HSL 60°, 64%, 43%. It is a dark colour, so black text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Olive.
Colour values
#B4B428#B4B428
HEX#B4B428
RGBrgb(180, 180, 40)
RGB (0–1)0.7059, 0.7059, 0.1569
RGB percentages70.6%, 70.6%, 15.7%
HSLhsl(60, 63.6%, 43.1%)
HSV / HSBhsv(60, 77.8%, 70.6%)
CMYK0%, 0%, 77.8%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,842,600
CSS custom property--colour: #B4B428;
Brightness & contrast
Relative luminance0.42499WCAG 2.x, 0 is black and 1 is white
Perceived brightness170 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.5:1
Contrast with white2.21:1WCAG normal text: Fail
Contrast with black9.5:1WCAG normal text: AAA
Greyscale equivalent#AAAAAA
Inverted#4B4BD7
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.21:1WCAG large text: Fail
Contrast with black, large text9.5:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2828B4
Analogous#B46E28, #6EB428
Triadic#28B4B4, #B428B4
Split complementary#286EB4, #6E28B4
Tetradic#28B46E, #2828B4, #B4286E
Tints, shades & saturation
Channel breakdown
R180
G180
B40
Red180 (70.6%)
Green180 (70.6%)
Blue40 (15.7%)
Hue60°
Saturation (HSL)63.64%
Lightness43.14%
Dominant channelRed and Green
Hex per channelR B4 · G B4 · B 28
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