Recognised as Colour
#51CFCD
- #51CFCD
- Cyan
- Light
- Nearest: Medium turquoise
#51CFCD is a cyan with RGB values 81, 207, 205 and HSL 179°, 57%, 56%. It is a light colour, so black text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Medium turquoise.
Colour values
#51CFCD#51CFCD
HEX#51CFCD
RGBrgb(81, 207, 205)
RGB (0–1)0.3176, 0.8118, 0.8039
RGB percentages31.8%, 81.2%, 80.4%
HSLhsl(179, 56.8%, 56.5%)
HSV / HSBhsv(179, 60.9%, 81.2%)
CMYK60.9%, 0%, 1%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,361,613
CSS custom property--colour: #51CFCD;
Brightness & contrast
Relative luminance0.50783WCAG 2.x, 0 is black and 1 is white
Perceived brightness178.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.16:1
Contrast with white1.88:1WCAG normal text: Fail
Contrast with black11.16:1WCAG normal text: AAA
Greyscale equivalent#B4B4B4
Inverted#AE3032
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.88:1WCAG large text: Fail
Contrast with black, large text11.16:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#CF5153
Analogous#51CF8E, #5192CF
Triadic#CD51CF, #CFCD51
Split complementary#CF5192, #CF8E51
Tetradic#8E51CF, #CF5153, #92CF51
Tints, shades & saturation
Channel breakdown
R81
G207
B205
Red81 (31.8%)
Green207 (81.2%)
Blue205 (80.4%)
Hue179.05°
Saturation (HSL)56.76%
Lightness56.47%
Dominant channelGreen
Hex per channelR 51 · G CF · B CD
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