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Recognised as Colour

#51DAA0

  • #51DAA0
  • Cyan
  • Light
  • Nearest: Medium seagreen

#51DAA0 is a cyan with RGB values 81, 218, 160 and HSL 155°, 65%, 59%. It is a light colour, so black text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#51DAA0#51DAA0
HEX#51DAA0
RGBrgb(81, 218, 160)
RGB (0–1)0.3176, 0.8549, 0.6275
RGB percentages31.8%, 85.5%, 62.7%
HSLhsl(154.6, 64.9%, 58.6%)
HSV / HSBhsv(154.6, 62.8%, 85.5%)
CMYK62.8%, 0%, 26.6%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,364,384
CSS custom property--colour: #51DAA0;

Brightness & contrast

Relative luminance0.5443WCAG 2.x, 0 is black and 1 is white
Perceived brightness181 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.89:1
Contrast with white1.77:1WCAG normal text: Fail
Contrast with black11.89:1WCAG normal text: AAA
Greyscale equivalent#B9B9B9
Inverted#AE255F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D7CB9Dno red cones; affects about 1% of men; ΔE 48.1 from the original
Deuteranopia#C4BDA4no green cones; the most common form, about 1% of men; ΔE 49 from the original
Tritanopia#00DACAno blue cones; rare, and affects men and women equally; ΔE 22.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.77:1WCAG large text: Fail
Contrast with black, large text11.89:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 15.1Medium aquamarine · ΔE 15.7Aquamarine · ΔE 16.4Light green · ΔE 21.1Turquoise · ΔE 22.9Pale green · ΔE 24.1
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 15.1, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DA518B
Analogous#51DA5B, #51CFDA
Triadic#A051DA, #DAA051
Split complementary#DA51CF, #DA5B51
Tetradic#5C51DA, #DA518B, #D0DA51

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F9FEFC
Lighter +30%#CFF5E5
Lighter +20%#A5ECCE
Lighter +10%#7BE3B7
Darker −10%#2BCD88
Darker −20%#23A26C
Darker −30%#1A7850
Darker −40%#114E34
More saturated +25%#37F4A4
Less saturated −25%#6BC09C

Channel breakdown

R81
G218
B160
Red81 (31.8%)
Green218 (85.5%)
Blue160 (62.7%)
Hue154.6°
Saturation (HSL)64.93%
Lightness58.63%
Dominant channelGreen
Hex per channelR 51 · G DA · B A0

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Every value on this page was computed from “51daa0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.