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Recognised as Colour

#51583A

  • #51583A
  • Green
  • Dark
  • Nearest: Dark olivegreen

#51583A is a green with RGB values 81, 88, 58 and HSL 74°, 21%, 29%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#51583A#51583A
HEX#51583A
RGBrgb(81, 88, 58)
RGB (0–1)0.3176, 0.3451, 0.2275
RGB percentages31.8%, 34.5%, 22.7%
HSLhsl(74, 20.5%, 28.6%)
HSV / HSBhsv(74, 34.1%, 34.5%)
CMYK8%, 0%, 34.1%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,331,002
CSS custom property--colour: #51583A;

Brightness & contrast

Relative luminance0.09034WCAG 2.x, 0 is black and 1 is white
Perceived brightness83 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.48:1
Contrast with white7.48:1WCAG normal text: AAA
Contrast with black2.81:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#AEA7C5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5C5538no red cones; affects about 1% of men; ΔE 6.6 from the original
Deuteranopia#5B553Bno green cones; the most common form, about 1% of men; ΔE 6.4 from the original
Tritanopia#545550no blue cones; rare, and affects men and women equally; ΔE 15.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.48:1WCAG large text: AAA
Contrast with black, large text2.81:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 18.5Dim grey · ΔE 20.4Dark slate grey · ΔE 21.1Gray · ΔE 25.5Slate grey · ΔE 32.5Teal · ΔE 34.5
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 18.52, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#413A58
Analogous#58503A, #42583A
Triadic#3A5158, #583A51
Split complementary#3A4258, #503A58
Tetradic#3A5850, #413A58, #583A42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B8BF9F
Lighter +30%#A1AB80
Lighter +20%#8A9563
Lighter +10%#6D774E
Darker −10%#353926
Darker −20%#181B11
Darker −30%#000000
Darker −40%#000000
More saturated +25%#5B6A28
Less saturated −25%#494949

Channel breakdown

R81
G88
B58
Red81 (31.8%)
Green88 (34.5%)
Blue58 (22.7%)
Hue74°
Saturation (HSL)20.55%
Lightness28.63%
Dominant channelGreen
Hex per channelR 51 · G 58 · B 3A

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Every value on this page was computed from “51583a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.