Recognised as Colour
#669F97
- #669F97
- Cyan
- Dark
- Nearest: Cadetblue
#669F97 is a cyan with RGB values 102, 159, 151 and HSL 172°, 23%, 51%. It is a dark colour, so black text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Cadetblue.
Colour values
#669F97#669F97
HEX#669F97
RGBrgb(102, 159, 151)
RGB (0–1)0.4, 0.6235, 0.5922
RGB percentages40%, 62.4%, 59.2%
HSLhsl(171.6, 22.9%, 51.2%)
HSV / HSBhsv(171.6, 35.8%, 62.4%)
CMYK35.8%, 0%, 5%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,725,527
CSS custom property--colour: #669F97;
Brightness & contrast
Relative luminance0.29855WCAG 2.x, 0 is black and 1 is white
Perceived brightness143.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.97:1
Contrast with white3.01:1WCAG normal text: Fail
Contrast with black6.97:1WCAG normal text: AA
Greyscale equivalent#929292
Inverted#996068
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.01:1WCAG large text: AA
Contrast with black, large text6.97:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#9F666E
Analogous#669F7A, #668B9F
Triadic#97669F, #9F9766
Split complementary#9F668B, #9F7A66
Tetradic#7A669F, #9F666E, #8B9F66
Tints, shades & saturation
Channel breakdown
R102
G159
B151
Red102 (40%)
Green159 (62.4%)
Blue151 (59.2%)
Hue171.58°
Saturation (HSL)22.89%
Lightness51.18%
Dominant channelGreen
Hex per channelR 66 · G 9F · B 97
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