Recognised as Colour
#57A6A6
- #57A6A6
- Cyan
- Dark
- Nearest: Cadetblue
#57A6A6 is a cyan with RGB values 87, 166, 166 and HSL 180°, 31%, 50%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.
Colour values
#57A6A6#57A6A6
HEX#57A6A6
RGBrgb(87, 166, 166)
RGB (0–1)0.3412, 0.651, 0.651
RGB percentages34.1%, 65.1%, 65.1%
HSLhsl(180, 31.2%, 49.6%)
HSV / HSBhsv(180, 47.6%, 65.1%)
CMYK47.6%, 0%, 0%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,744,294
CSS custom property--colour: #57A6A6;
Brightness & contrast
Relative luminance0.32052WCAG 2.x, 0 is black and 1 is white
Perceived brightness146.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.41:1
Contrast with white2.83:1WCAG normal text: Fail
Contrast with black7.41:1WCAG normal text: AAA
Greyscale equivalent#959595
Inverted#A85959
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.83:1WCAG large text: Fail
Contrast with black, large text7.41:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#A65757
Analogous#57A67F, #577FA6
Triadic#A657A6, #A6A657
Split complementary#A6577F, #A67F57
Tetradic#7F57A6, #A65757, #7FA657
Tints, shades & saturation
Channel breakdown
R87
G166
B166
Red87 (34.1%)
Green166 (65.1%)
Blue166 (65.1%)
Hue180°
Saturation (HSL)31.23%
Lightness49.61%
Dominant channelGreen and Blue
Hex per channelR 57 · G A6 · B A6
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