Colour
#005555
- #005555
- Cyan
- Dark
- Nearest: Dark slate grey
#005555 is a cyan with RGB values 0, 85, 85 and HSL 180°, 100%, 17%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#005555#005555
HEX#005555
HEX (short)#055
RGBrgb(0, 85, 85)
RGB (0–1)0, 0.3333, 0.3333
RGB percentages0%, 33.3%, 33.3%
HSLhsl(180, 100%, 16.7%)
HSV / HSBhsv(180, 100%, 33.3%)
CMYK100%, 0%, 0%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer21,845
CSS custom property--colour: #005555;
Brightness & contrast
Relative luminance0.07153WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.64:1
Contrast with white8.64:1WCAG normal text: AAA
Contrast with black2.43:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#FFAAAA
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.64:1WCAG large text: AAA
Contrast with black, large text2.43:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#550000
Analogous#00552A, #002A55
Triadic#550055, #555500
Split complementary#55002A, #552A00
Tetradic#2A0055, #550000, #2A5500
Tints, shades & saturation
Channel breakdown
R0
G85
B85
Red0 (0%)
Green85 (33.3%)
Blue85 (33.3%)
Hue180°
Saturation (HSL)100%
Lightness16.67%
Dominant channelGreen and Blue
Hex per channelR 00 · G 55 · B 55
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