Colour

#28230D

#28230D
Yellow
Dark
Nearest: Black

#28230D is a yellow with RGB values 40, 35, 13 and HSL 49°, 51%, 10%. It is a dark colour, so white text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#28230D#28230D

HEX#28230D

RGBrgb(40, 35, 13)

RGB (0–1)0.1569, 0.1373, 0.051

RGB percentages15.7%, 13.7%, 5.1%

HSLhsl(48.9, 50.9%, 10.4%)

HSV / HSBhsv(48.9, 67.5%, 15.7%)

CMYK0%, 12.5%, 67.5%, 84.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,630,413

CSS custom property--colour: #28230D;

Brightness & contrast

Relative luminance0.01682WCAG 2.x, 0 is black and 1 is white

Perceived brightness34.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.71:1

Contrast with white15.71:1WCAG normal text: AAA

Contrast with black1.34:1WCAG normal text: Fail

Greyscale equivalent#222222

Inverted#D7DCF2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#27220Bno red cones; affects about 1% of men; ΔE 0.6 from the original

Deuteranopia#28240Eno green cones; the most common form, about 1% of men; ΔE 0.7 from the original

Tritanopia#2B201Eno blue cones; rare, and affects men and women equally; ΔE 13 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.71:1WCAG large text: AAA

Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Black · ΔE 20.2 Dark slate grey · ΔE 27.5 Dim grey · ΔE 34.1 Dark olivegreen · ΔE 37 Gray · ΔE 42.5 Saddle brown · ΔE 45

Nearest named CSS colourBlack (#000000)ΔE 20.18, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0D1228

Analogous#28160D, #1F280D

Triadic#0D2823, #230D28

Split complementary#0D1F28, #160D28

Tetradic#0D2816, #0D1228, #280D1F

Tints, shades & saturation

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

Lighter +40%#C1A940

Lighter +30%#9B8833

Lighter +20%#756626

Lighter +10%#4E451A

Darker −10%#020100

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#2F2706

Less saturated −25%#211F14

Channel breakdown

R40

G35

B13

Red40 (15.7%)

Green35 (13.7%)

Blue13 (5.1%)

Hue48.89°

Saturation (HSL)50.94%

Lightness10.39%

Dominant channelRed

Hex per channelR 28 · G 23 · B 0D

Keep nerding

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#28230D

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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