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Recognised as Colour

#51E69D

  • #51E69D
  • Cyan
  • Light
  • Nearest: Light green

#51E69D is a cyan with RGB values 81, 230, 157 and HSL 151°, 75%, 61%. It is a light colour, so black text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Light green.

Colour values

#51E69D#51E69D
HEX#51E69D
RGBrgb(81, 230, 157)
RGB (0–1)0.3176, 0.902, 0.6157
RGB percentages31.8%, 90.2%, 61.6%
HSLhsl(150.6, 74.9%, 61%)
HSV / HSBhsv(150.6, 64.8%, 90.2%)
CMYK64.8%, 0%, 31.7%, 9.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,367,453
CSS custom property--colour: #51E69D;

Brightness & contrast

Relative luminance0.60777WCAG 2.x, 0 is black and 1 is white
Perceived brightness189.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.16:1
Contrast with white1.6:1WCAG normal text: Fail
Contrast with black13.16:1WCAG normal text: AAA
Greyscale equivalent#C1C1C1
Inverted#AE1962

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E4D599no red cones; affects about 1% of men; ΔE 52.9 from the original
Deuteranopia#D1C7A2no green cones; the most common form, about 1% of men; ΔE 53.7 from the original
Tritanopia#00E5D3no blue cones; rare, and affects men and women equally; ΔE 29.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.6:1WCAG large text: Fail
Contrast with black, large text13.16:1WCAG large text: AAA

Named colours

Light green · ΔE 16.5Medium spring green · ΔE 17.7Pale green · ΔE 18.3Medium seagreen · ΔE 18.6Aquamarine · ΔE 20.4Medium aquamarine · ΔE 24.6
Nearest named CSS colourLight green (#90EE90)ΔE 16.48, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E6519A
Analogous#51E652, #51E5E6
Triadic#9D51E6, #E69D51
Split complementary#E651E5, #E65251
Tetradic#5251E6, #E6519A, #E5E651

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D7F9E8
Lighter +20%#AAF3CF
Lighter +10%#7EECB6
Darker −10%#24E084
Darker −20%#1AB76A
Darker −30%#148A50
Darker −40%#0D5E36
More saturated +25%#38FF9E
Less saturated −25%#6ACD9C

Channel breakdown

R81
G230
B157
Red81 (31.8%)
Green230 (90.2%)
Blue157 (61.6%)
Hue150.6°
Saturation (HSL)74.87%
Lightness60.98%
Dominant channelGreen
Hex per channelR 51 · G E6 · B 9D

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Every value on this page was computed from “51e69d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.