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Recognised as Colour

#00AC81

  • #00AC81
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#00AC81 is a cyan with RGB values 0, 172, 129 and HSL 165°, 100%, 34%. It is a dark colour, so black text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#00AC81#00AC81
HEX#00AC81
RGBrgb(0, 172, 129)
RGB (0–1)0, 0.6745, 0.5059
RGB percentages0%, 67.5%, 50.6%
HSLhsl(165, 100%, 33.7%)
HSV / HSBhsv(165, 100%, 67.5%)
CMYK100%, 0%, 25%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer44,161
CSS custom property--colour: #00AC81;

Brightness & contrast

Relative luminance0.3109WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.22:1
Contrast with white2.91:1WCAG normal text: Fail
Contrast with black7.22:1WCAG normal text: AAA
Greyscale equivalent#848484
Inverted#FF537E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A89F7Fno red cones; affects about 1% of men; ΔE 46.3 from the original
Deuteranopia#969284no green cones; the most common form, about 1% of men; ΔE 47 from the original
Tritanopia#00ADA0no blue cones; rare, and affects men and women equally; ΔE 17.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.91:1WCAG large text: Fail
Contrast with black, large text7.22:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 12.8Sea green · ΔE 16Medium aquamarine · ΔE 16.6Light seagreen · ΔE 21.1Turquoise · ΔE 24.7Dark seagreen · ΔE 26.6
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 12.82, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AC002B
Analogous#00AC2B, #0081AC
Triadic#8100AC, #AC8100
Split complementary#AC0081, #AC2B00
Tetradic#2B00AC, #AC002B, #81AC00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#79FFDE
Lighter +30%#46FFD1
Lighter +20%#13FFC4
Lighter +10%#00DFA7
Darker −10%#00795B
Darker −20%#004635
Darker −30%#00130E
Darker −40%#000000
More saturated +25%#00AC81
Less saturated −25%#169776

Channel breakdown

R0
G172
B129
Red0 (0%)
Green172 (67.5%)
Blue129 (50.6%)
Hue165°
Saturation (HSL)100%
Lightness33.73%
Dominant channelGreen
Hex per channelR 00 · G AC · B 81

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Every value on this page was computed from “00ac81” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.