Recognised as Colour
#517F75
- #517F75
- Cyan
- Dark
- Nearest: Cadetblue
#517F75 is a cyan with RGB values 81, 127, 117 and HSL 167°, 22%, 41%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Cadetblue.
Colour values
#517F75#517F75
HEX#517F75
RGBrgb(81, 127, 117)
RGB (0–1)0.3176, 0.498, 0.4588
RGB percentages31.8%, 49.8%, 45.9%
HSLhsl(167, 22.1%, 40.8%)
HSV / HSBhsv(167, 36.2%, 49.8%)
CMYK36.2%, 0%, 7.9%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,341,045
CSS custom property--colour: #517F75;
Brightness & contrast
Relative luminance0.18212WCAG 2.x, 0 is black and 1 is white
Perceived brightness114 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.64:1
Contrast with white4.52:1WCAG normal text: AA
Contrast with black4.64:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#AE808A
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.52:1WCAG large text: AAA
Contrast with black, large text4.64:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#7F515B
Analogous#517F5E, #51727F
Triadic#75517F, #7F7551
Split complementary#7F5172, #7F5E51
Tetradic#5E517F, #7F515B, #727F51
Tints, shades & saturation
Channel breakdown
R81
G127
B117
Red81 (31.8%)
Green127 (49.8%)
Blue117 (45.9%)
Hue166.96°
Saturation (HSL)22.12%
Lightness40.78%
Dominant channelGreen
Hex per channelR 51 · G 7F · B 75
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