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Colour

#518C51

  • #518C51
  • Green
  • Dark
  • Nearest: Sea green

#518C51 is a green with RGB values 81, 140, 81 and HSL 120°, 27%, 43%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#518C51#518C51
HEX#518C51
RGBrgb(81, 140, 81)
RGB (0–1)0.3176, 0.549, 0.3176
RGB percentages31.8%, 54.9%, 31.8%
HSLhsl(120, 26.7%, 43.3%)
HSV / HSBhsv(120, 42.1%, 54.9%)
CMYK42.1%, 0%, 42.1%, 45.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,344,337
CSS custom property--colour: #518C51;

Brightness & contrast

Relative luminance0.211WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.22:1
Contrast with white4.02:1WCAG normal text: Fail
Contrast with black5.22:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#AE73AE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8E824Dno red cones; affects about 1% of men; ΔE 29.2 from the original
Deuteranopia#867C55no green cones; the most common form, about 1% of men; ΔE 29.8 from the original
Tritanopia#4A897Dno blue cones; rare, and affects men and women equally; ΔE 26.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.02:1WCAG large text: AA
Contrast with black, large text5.22:1WCAG large text: AAA

Named colours

Sea green · ΔE 9.6Dark olivegreen · ΔE 17.8Medium seagreen · ΔE 20.3Dark seagreen · ΔE 22.1Olivedrab · ΔE 24.4Dark green · ΔE 26
Nearest named CSS colourSea green (#2E8B57)ΔE 9.63, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8C518C
Analogous#6F8C51, #518C6F
Triadic#51518C, #8C5151
Split complementary#6F518C, #8C516F
Tetradic#516F8C, #8C518C, #8C6F51

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9E0C9
Lighter +30%#A9CDA9
Lighter +20%#89BA89
Lighter +10%#68A868
Darker −10%#3E6C3E
Darker −20%#2C4B2C
Darker −30%#192B19
Darker −40%#060B06
More saturated +25%#35A835
Less saturated −25%#6D706D

Channel breakdown

R81
G140
B81
Red81 (31.8%)
Green140 (54.9%)
Blue81 (31.8%)
Hue120°
Saturation (HSL)26.7%
Lightness43.33%
Dominant channelGreen
Hex per channelR 51 · G 8C · B 51

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Every value on this page was computed from “518c51” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.