Colour
#A9B421
- #A9B421
- Yellow
- Dark
- Nearest: Yellow green
#A9B421 is a yellow with RGB values 169, 180, 33 and HSL 64°, 69%, 42%. It is a dark colour, so black text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Yellow green.
Colour values
#A9B421#A9B421
HEX#A9B421
RGBrgb(169, 180, 33)
RGB (0–1)0.6627, 0.7059, 0.1294
RGB percentages66.3%, 70.6%, 12.9%
HSLhsl(64.5, 69%, 41.8%)
HSV / HSBhsv(64.5, 81.7%, 70.6%)
CMYK6.1%, 0%, 81.7%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,121,697
CSS custom property--colour: #A9B421;
Brightness & contrast
Relative luminance0.41187WCAG 2.x, 0 is black and 1 is white
Perceived brightness166.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.24:1
Contrast with white2.27:1WCAG normal text: Fail
Contrast with black9.24:1WCAG normal text: AAA
Greyscale equivalent#A7A7A7
Inverted#564BDE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.27:1WCAG large text: Fail
Contrast with black, large text9.24:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2C21B4
Analogous#B47621, #60B421
Triadic#21A9B4, #B421A9
Split complementary#2160B4, #7521B4
Tetradic#21B475, #2C21B4, #B42160
Tints, shades & saturation
Channel breakdown
R169
G180
B33
Red169 (66.3%)
Green180 (70.6%)
Blue33 (12.9%)
Hue64.49°
Saturation (HSL)69.01%
Lightness41.76%
Dominant channelGreen
Hex per channelR A9 · G B4 · B 21
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