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Recognised as Colour

#515B31

  • #515B31
  • Green
  • Dark
  • Nearest: Dark olivegreen

#515B31 is a green with RGB values 81, 91, 49 and HSL 74°, 30%, 27%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#515B31#515B31
HEX#515B31
RGBrgb(81, 91, 49)
RGB (0–1)0.3176, 0.3569, 0.1922
RGB percentages31.8%, 35.7%, 19.2%
HSLhsl(74.3, 30%, 27.5%)
HSV / HSBhsv(74.3, 46.2%, 35.7%)
CMYK11%, 0%, 46.2%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,331,761
CSS custom property--colour: #515B31;

Brightness & contrast

Relative luminance0.09453WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.26:1
Contrast with white7.26:1WCAG normal text: AAA
Contrast with black2.89:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#AEA4CE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#60572Eno red cones; affects about 1% of men; ΔE 9.2 from the original
Deuteranopia#5F5733no green cones; the most common form, about 1% of men; ΔE 9.1 from the original
Tritanopia#555751no blue cones; rare, and affects men and women equally; ΔE 21.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.26:1WCAG large text: AAA
Contrast with black, large text2.89:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 11.9Dim grey · ΔE 26.7Dark slate grey · ΔE 27.2Gray · ΔE 30.6Sea green · ΔE 31.9Olivedrab · ΔE 36.3
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 11.92, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3B315B
Analogous#5B5031, #3C5B31
Triadic#31515B, #5B3151
Split complementary#313C5B, #50315B
Tetradic#315B50, #3B315B, #5B313C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B9C593
Lighter +30%#A4B372
Lighter +20%#8C9D55
Lighter +10%#6F7C43
Darker −10%#333A1F
Darker −20%#16190D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#5A6D20
Less saturated −25%#484A43

Channel breakdown

R81
G91
B49
Red81 (31.8%)
Green91 (35.7%)
Blue49 (19.2%)
Hue74.29°
Saturation (HSL)30%
Lightness27.45%
Dominant channelGreen
Hex per channelR 51 · G 5B · B 31

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Every value on this page was computed from “515b31” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.