Colour

#51471B

#51471B
Yellow
Dark
Nearest: Dark olivegreen

#51471B is a yellow with RGB values 81, 71, 27 and HSL 49°, 50%, 21%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#51471B#51471B

HEX#51471B

RGBrgb(81, 71, 27)

RGB (0–1)0.3176, 0.2784, 0.1059

RGB percentages31.8%, 27.8%, 10.6%

HSLhsl(48.9, 50%, 21.2%)

HSV / HSBhsv(48.9, 66.7%, 31.8%)

CMYK0%, 12.3%, 66.7%, 68.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,326,619

CSS custom property--colour: #51471B;

Brightness & contrast

Relative luminance0.06335WCAG 2.x, 0 is black and 1 is white

Perceived brightness70.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.26:1

Contrast with white9.26:1WCAG normal text: AAA

Contrast with black2.27:1WCAG normal text: Fail

Greyscale equivalent#464646

Inverted#AEB8E4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4E4516no red cones; affects about 1% of men; ΔE 1.9 from the original

Deuteranopia#51491Dno green cones; the most common form, about 1% of men; ΔE 1.3 from the original

Tritanopia#58423Dno blue cones; rare, and affects men and women equally; ΔE 23.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text9.26:1WCAG large text: AAA

Contrast with black, large text2.27:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 20.9 Dim grey · ΔE 30.9 Saddle brown · ΔE 32.3 Dark slate grey · ΔE 32.6 Sienna · ΔE 35.1 Gray · ΔE 36

Nearest named CSS colourDark olivegreen (#556B2F)ΔE 20.94, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#1B2551

Analogous#512C1B, #40511B

Triadic#1B5147, #471B51

Split complementary#1B4051, #2C1B51

Tetradic#1B512C, #1B2551, #511B40

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#CDBB6A

Lighter +30%#C1AA44

Lighter +20%#9D8A35

Lighter +10%#776928

Darker −10%#2B250E

Darker −20%#050401

Darker −30%#000000

Darker −40%#000000

More saturated +25%#5F500E

Less saturated −25%#433F29

Channel breakdown

R81

G71

B27

Red81 (31.8%)

Green71 (27.8%)

Blue27 (10.6%)

Hue48.89°

Saturation (HSL)50%

Lightness21.18%

Dominant channelRed

Hex per channelR 51 · G 47 · B 1B

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#51471B

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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