Recognised as Colour
#006566
- #006566
- Cyan
- Dark
- Nearest: Teal
#006566 is a cyan with RGB values 0, 101, 102 and HSL 181°, 100%, 20%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Teal.
Colour values
#006566#006566
HEX#006566
RGBrgb(0, 101, 102)
RGB (0–1)0, 0.3961, 0.4
RGB percentages0%, 39.6%, 40%
HSLhsl(180.6, 100%, 20%)
HSV / HSBhsv(180.6, 100%, 40%)
CMYK100%, 1%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer25,958
CSS custom property--colour: #006566;
Brightness & contrast
Relative luminance0.10267WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.88:1
Contrast with white6.88:1WCAG normal text: AA
Contrast with black3.05:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#FF9A99
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.88:1WCAG large text: AAA
Contrast with black, large text3.05:1WCAG large text: AA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#660100
Analogous#006634, #003266
Triadic#660065, #656600
Split complementary#660032, #663400
Tetradic#340066, #660100, #326600
Tints, shades & saturation
Channel breakdown
R0
G101
B102
Red0 (0%)
Green101 (39.6%)
Blue102 (40%)
Hue180.59°
Saturation (HSL)100%
Lightness20%
Dominant channelBlue
Hex per channelR 00 · G 65 · B 66
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