Colour
#A4B251
- #A4B251
- Yellow
- Dark
- Nearest: Dark khaki
#A4B251 is a yellow with RGB values 164, 178, 81 and HSL 69°, 39%, 51%. It is a dark colour, so black text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Dark khaki.
Colour values
#A4B251#A4B251
HEX#A4B251
RGBrgb(164, 178, 81)
RGB (0–1)0.6431, 0.698, 0.3176
RGB percentages64.3%, 69.8%, 31.8%
HSLhsl(68.7, 38.6%, 50.8%)
HSV / HSBhsv(68.7, 54.5%, 69.8%)
CMYK7.9%, 0%, 54.5%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,793,553
CSS custom property--colour: #A4B251;
Brightness & contrast
Relative luminance0.40327WCAG 2.x, 0 is black and 1 is white
Perceived brightness165.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.07:1
Contrast with white2.32:1WCAG normal text: Fail
Contrast with black9.07:1WCAG normal text: AAA
Greyscale equivalent#A8A8A8
Inverted#5B4DAE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.32:1WCAG large text: Fail
Contrast with black, large text9.07:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5F51B2
Analogous#B28F51, #73B251
Triadic#51A4B2, #B251A4
Split complementary#5173B2, #9051B2
Tetradic#51B28F, #5F51B2, #B25173
Tints, shades & saturation
Channel breakdown
R164
G178
B81
Red164 (64.3%)
Green178 (69.8%)
Blue81 (31.8%)
Hue68.66°
Saturation (HSL)38.65%
Lightness50.78%
Dominant channelGreen
Hex per channelR A4 · G B2 · B 51
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