Colour

#3F450A

#3F450A
Yellow
Dark
Nearest: Dark olivegreen

#3F450A is a yellow with RGB values 63, 69, 10 and HSL 66°, 75%, 15%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#3F450A#3F450A

HEX#3F450A

RGBrgb(63, 69, 10)

RGB (0–1)0.2471, 0.2706, 0.0392

RGB percentages24.7%, 27.1%, 3.9%

HSLhsl(66.1, 74.7%, 15.5%)

HSV / HSBhsv(66.1, 85.5%, 27.1%)

CMYK8.7%, 0%, 85.5%, 72.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,146,442

CSS custom property--colour: #3F450A;

Brightness & contrast

Relative luminance0.05335WCAG 2.x, 0 is black and 1 is white

Perceived brightness63.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.16:1

Contrast with white10.16:1WCAG normal text: AAA

Contrast with black2.07:1WCAG normal text: Fail

Greyscale equivalent#3F3F3F

Inverted#C0BAF5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4B4100no red cones; affects about 1% of men; ΔE 9.3 from the original

Deuteranopia#4A420Fno green cones; the most common form, about 1% of men; ΔE 7.9 from the original

Tritanopia#44403Ano blue cones; rare, and affects men and women equally; ΔE 30.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.16:1WCAG large text: AAA

Contrast with black, large text2.07:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 16.6 Olive · ΔE 34.5 Dark green · ΔE 34.9 Dark slate grey · ΔE 36 Olivedrab · ΔE 36.5 Dim grey · ΔE 37.9

Nearest named CSS colourDark olivegreen (#556B2F)ΔE 16.61, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#100A45

Analogous#452E0A, #21450A

Triadic#0A3F45, #450A3F

Split complementary#0A2145, #2E0A45

Tetradic#0A452E, #100A45, #450A21

Tints, shades & saturation

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

Lighter +40%#D1E239

Lighter +30%#B9CB1D

Lighter +20%#909E17

Lighter +10%#687210

Darker −10%#161804

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#474F00

Less saturated −25%#373B14

Channel breakdown

R63

G69

B10

Red63 (24.7%)

Green69 (27.1%)

Blue10 (3.9%)

Hue66.1°

Saturation (HSL)74.68%

Lightness15.49%

Dominant channelGreen

Hex per channelR 3F · G 45 · B 0A

Keep nerding

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#3F450A

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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