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Recognised as Colour

#00A781

  • #00A781
  • Cyan
  • Dark
  • Nearest: Sea green

#00A781 is a cyan with RGB values 0, 167, 129 and HSL 166°, 100%, 33%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#00A781#00A781
HEX#00A781
RGBrgb(0, 167, 129)
RGB (0–1)0, 0.6549, 0.5059
RGB percentages0%, 65.5%, 50.6%
HSLhsl(166.3, 100%, 32.7%)
HSV / HSBhsv(166.3, 100%, 65.5%)
CMYK100%, 0%, 22.8%, 34.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer42,881
CSS custom property--colour: #00A781;

Brightness & contrast

Relative luminance0.29222WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.84:1
Contrast with white3.07:1WCAG normal text: Fail
Contrast with black6.84:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#FF587E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A29B7Fno red cones; affects about 1% of men; ΔE 44.2 from the original
Deuteranopia#918E84no green cones; the most common form, about 1% of men; ΔE 45.3 from the original
Tritanopia#00A89Cno blue cones; rare, and affects men and women equally; ΔE 15.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.07:1WCAG large text: AA
Contrast with black, large text6.84:1WCAG large text: AAA

Named colours

Sea green · ΔE 15.4Medium seagreen · ΔE 15.6Medium aquamarine · ΔE 16.6Light seagreen · ΔE 18.5Turquoise · ΔE 24.4Medium turquoise · ΔE 25.4
Nearest named CSS colourSea green (#2E8B57)ΔE 15.43, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A70026
Analogous#00A72E, #0079A7
Triadic#8100A7, #A78100
Split complementary#A7007A, #A72D00
Tetradic#2D00A7, #A70026, #79A700

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#74FFDF
Lighter +30%#41FFD4
Lighter +20%#0EFFC8
Lighter +10%#00DAA8
Darker −10%#00745A
Darker −20%#004132
Darker −30%#000E0B
Darker −40%#000000
More saturated +25%#00A781
Less saturated −25%#159276

Channel breakdown

R0
G167
B129
Red0 (0%)
Green167 (65.5%)
Blue129 (50.6%)
Hue166.35°
Saturation (HSL)100%
Lightness32.75%
Dominant channelGreen
Hex per channelR 00 · G A7 · B 81

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Every value on this page was computed from “00a781” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.