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Recognised as Colour

#51561D

  • #51561D
  • Yellow
  • Dark
  • Nearest: Dark olivegreen

#51561D is a yellow with RGB values 81, 86, 29 and HSL 65°, 50%, 23%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#51561D#51561D
HEX#51561D
RGBrgb(81, 86, 29)
RGB (0–1)0.3176, 0.3373, 0.1137
RGB percentages31.8%, 33.7%, 11.4%
HSLhsl(65.3, 49.6%, 22.5%)
HSV / HSBhsv(65.3, 66.3%, 33.7%)
CMYK5.8%, 0%, 66.3%, 66.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,330,461
CSS custom property--colour: #51561D;

Brightness & contrast

Relative luminance0.08494WCAG 2.x, 0 is black and 1 is white
Perceived brightness80 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.78:1
Contrast with white7.78:1WCAG normal text: AAA
Contrast with black2.7:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#AEA9E2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5C5216no red cones; affects about 1% of men; ΔE 8 from the original
Deuteranopia#5C5321no green cones; the most common form, about 1% of men; ΔE 7.6 from the original
Tritanopia#56514Ano blue cones; rare, and affects men and women equally; ΔE 29.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.78:1WCAG large text: AAA
Contrast with black, large text2.7:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 10.9Olive · ΔE 30.3Olivedrab · ΔE 31.9Dark green · ΔE 34.2Dim grey · ΔE 34.7Sea green · ΔE 35.3
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 10.87, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#221D56
Analogous#563F1D, #34561D
Triadic#1D5156, #561D51
Split complementary#1D3456, #3F1D56
Tetradic#1D563F, #221D56, #561D34

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7CF70
Lighter +30%#B7C24A
Lighter +20%#99A237
Lighter +10%#757C2A
Darker −10%#2D3010
Darker −20%#090A03
Darker −30%#000000
Darker −40%#000000
More saturated +25%#5D640F
Less saturated −25%#45482B

Channel breakdown

R81
G86
B29
Red81 (31.8%)
Green86 (33.7%)
Blue29 (11.4%)
Hue65.26°
Saturation (HSL)49.57%
Lightness22.55%
Dominant channelGreen
Hex per channelR 51 · G 56 · B 1D

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Every value on this page was computed from “51561d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.