Colour
#00878E
- #00878E
- Cyan
- Dark
- Nearest: Dark cyan
#00878E is a cyan with RGB values 0, 135, 142 and HSL 183°, 100%, 28%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#00878E#00878E
HEX#00878E
RGBrgb(0, 135, 142)
RGB (0–1)0, 0.5294, 0.5569
RGB percentages0%, 52.9%, 55.7%
HSLhsl(183, 100%, 27.8%)
HSV / HSBhsv(183, 100%, 55.7%)
CMYK100%, 4.9%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer34,702
CSS custom property--colour: #00878E;
Brightness & contrast
Relative luminance0.19281WCAG 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 4.86:1
Contrast with white4.32:1WCAG normal text: Fail
Contrast with black4.86:1WCAG normal text: AA
Greyscale equivalent#6B6B6B
Inverted#FF7871
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.32:1WCAG large text: AA
Contrast with black, large text4.86:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8E0700
Analogous#008E4E, #00408E
Triadic#8E0087, #878E00
Split complementary#8E0040, #8E4E00
Tetradic#4E008E, #8E0700, #408E00
Tints, shades & saturation
Channel breakdown
R0
G135
B142
Red0 (0%)
Green135 (52.9%)
Blue142 (55.7%)
Hue182.96°
Saturation (HSL)100%
Lightness27.84%
Dominant channelBlue
Hex per channelR 00 · G 87 · B 8E
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