Colour
#BBAA51
- #BBAA51
- Yellow
- Dark
- Nearest: Dark khaki
#BBAA51 is a yellow with RGB values 187, 170, 81 and HSL 50°, 44%, 53%. It is a dark colour, so black text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dark khaki.
Colour values
#BBAA51#BBAA51
HEX#BBAA51
RGBrgb(187, 170, 81)
RGB (0–1)0.7333, 0.6667, 0.3176
RGB percentages73.3%, 66.7%, 31.8%
HSLhsl(50.4, 43.8%, 52.5%)
HSV / HSBhsv(50.4, 56.7%, 73.3%)
CMYK0%, 9.1%, 56.7%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,298,833
CSS custom property--colour: #BBAA51;
Brightness & contrast
Relative luminance0.39908WCAG 2.x, 0 is black and 1 is white
Perceived brightness167.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.98:1
Contrast with white2.34:1WCAG normal text: Fail
Contrast with black8.98:1WCAG normal text: AAA
Greyscale equivalent#A7A7A7
Inverted#4455AE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.34:1WCAG large text: Fail
Contrast with black, large text8.98:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5162BB
Analogous#BB7551, #97BB51
Triadic#51BBAA, #AA51BB
Split complementary#5197BB, #7551BB
Tetradic#51BB75, #5162BB, #BB5197
Tints, shades & saturation
Channel breakdown
R187
G170
B81
Red187 (73.3%)
Green170 (66.7%)
Blue81 (31.8%)
Hue50.38°
Saturation (HSL)43.8%
Lightness52.55%
Dominant channelRed
Hex per channelR BB · G AA · B 51
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