Colour
#66A396
- #66A396
- Cyan
- Dark
- Nearest: Cadetblue
#66A396 is a cyan with RGB values 102, 163, 150 and HSL 167°, 25%, 52%. It is a dark colour, so black text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.
Colour values
#66A396#66A396
HEX#66A396
RGBrgb(102, 163, 150)
RGB (0–1)0.4, 0.6392, 0.5882
RGB percentages40%, 63.9%, 58.8%
HSLhsl(167.2, 24.9%, 52%)
HSV / HSBhsv(167.2, 37.4%, 63.9%)
CMYK37.4%, 0%, 8%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,726,550
CSS custom property--colour: #66A396;
Brightness & contrast
Relative luminance0.31221WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.24:1
Contrast with white2.9:1WCAG normal text: Fail
Contrast with black7.24:1WCAG normal text: AAA
Greyscale equivalent#959595
Inverted#995C69
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.9:1WCAG large text: Fail
Contrast with black, large text7.24:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#A36673
Analogous#66A377, #6692A3
Triadic#9666A3, #A39666
Split complementary#A36692, #A37766
Tetradic#7766A3, #A36673, #92A366
Tints, shades & saturation
Channel breakdown
R102
G163
B150
Red102 (40%)
Green163 (63.9%)
Blue150 (58.8%)
Hue167.21°
Saturation (HSL)24.9%
Lightness51.96%
Dominant channelGreen
Hex per channelR 66 · G A3 · B 96
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page