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Recognised as Colour

#51582D

  • #51582D
  • Yellow
  • Dark
  • Nearest: Dark olivegreen

#51582D is a yellow with RGB values 81, 88, 45 and HSL 70°, 32%, 26%. 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

#51582D#51582D
HEX#51582D
RGBrgb(81, 88, 45)
RGB (0–1)0.3176, 0.3451, 0.1765
RGB percentages31.8%, 34.5%, 17.6%
HSLhsl(69.8, 32.3%, 26.1%)
HSV / HSBhsv(69.8, 48.9%, 34.5%)
CMYK8%, 0%, 48.9%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,330,989
CSS custom property--colour: #51582D;

Brightness & contrast

Relative luminance0.08918WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.54:1
Contrast with white7.54:1WCAG normal text: AAA
Contrast with black2.78:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#AEA7D2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5D5429no red cones; affects about 1% of men; ΔE 7.9 from the original
Deuteranopia#5C552Fno green cones; the most common form, about 1% of men; ΔE 7.2 from the original
Tritanopia#55544Eno blue cones; rare, and affects men and women equally; ΔE 22.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.54:1WCAG large text: AAA
Contrast with black, large text2.78:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 12.6Dim grey · ΔE 27.4Dark slate grey · ΔE 28Gray · ΔE 31.5Sea green · ΔE 33.6Olive · ΔE 36.6
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 12.59, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#342D58
Analogous#584A2D, #3C582D
Triadic#2D5158, #582D51
Split complementary#2D3B58, #4A2D58
Tetradic#2D584A, #342D58, #582D3B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BBC48D
Lighter +30%#A7B36B
Lighter +20%#8F9B50
Lighter +10%#707A3E
Darker −10%#32361C
Darker −20%#13150A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#5C691C
Less saturated −25%#46473E

Channel breakdown

R81
G88
B45
Red81 (31.8%)
Green88 (34.5%)
Blue45 (17.6%)
Hue69.77°
Saturation (HSL)32.33%
Lightness26.08%
Dominant channelGreen
Hex per channelR 51 · G 58 · B 2D

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Every value on this page was computed from “51582d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.