Recognised as Colour
#ADBD21
- #ADBD21
- Yellow
- Dark
- Nearest: Yellow green
#ADBD21 is a yellow with RGB values 173, 189, 33 and HSL 66°, 70%, 44%. It is a dark colour, so black text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Yellow green.
Colour values
#ADBD21#ADBD21
HEX#ADBD21
RGBrgb(173, 189, 33)
RGB (0–1)0.6784, 0.7412, 0.1294
RGB percentages67.8%, 74.1%, 12.9%
HSLhsl(66.2, 70.3%, 43.5%)
HSV / HSBhsv(66.2, 82.5%, 74.1%)
CMYK8.5%, 0%, 82.5%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,386,145
CSS custom property--colour: #ADBD21;
Brightness & contrast
Relative luminance0.45389WCAG 2.x, 0 is black and 1 is white
Perceived brightness173.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.08:1
Contrast with white2.08:1WCAG normal text: Fail
Contrast with black10.08:1WCAG normal text: AAA
Greyscale equivalent#AEAEAE
Inverted#5242DE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.08:1WCAG large text: Fail
Contrast with black, large text10.08:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3121BD
Analogous#BD7F21, #5FBD21
Triadic#21ADBD, #BD21AD
Split complementary#215FBD, #7F21BD
Tetradic#21BD7F, #3121BD, #BD215F
Tints, shades & saturation
Channel breakdown
R173
G189
B33
Red173 (67.8%)
Green189 (74.1%)
Blue33 (12.9%)
Hue66.15°
Saturation (HSL)70.27%
Lightness43.53%
Dominant channelGreen
Hex per channelR AD · G BD · B 21
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