Colour

#666F10

#666F10
Yellow
Dark
Nearest: Olive

#666F10 is a yellow with RGB values 102, 111, 16 and HSL 66°, 75%, 25%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Olive.

Colour values

#666F10#666F10

HEX#666F10

RGBrgb(102, 111, 16)

RGB (0–1)0.4, 0.4353, 0.0627

RGB percentages40%, 43.5%, 6.3%

HSLhsl(65.7, 74.8%, 24.9%)

HSV / HSBhsv(65.7, 85.6%, 43.5%)

CMYK8.1%, 0%, 85.6%, 56.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,713,104

CSS custom property--colour: #666F10;

Brightness & contrast

Relative luminance0.14231WCAG 2.x, 0 is black and 1 is white

Perceived brightness101.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.46:1

Contrast with white5.46:1WCAG normal text: AA

Contrast with black3.85:1WCAG normal text: Fail

Greyscale equivalent#666666

Inverted#9990EF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#786900no red cones; affects about 1% of men; ΔE 12.4 from the original

Deuteranopia#776A1Ano green cones; the most common form, about 1% of men; ΔE 11.6 from the original

Tritanopia#6D685Eno blue cones; rare, and affects men and women equally; ΔE 43.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text5.46:1WCAG large text: AAA

Contrast with black, large text3.85:1WCAG large text: AA

Named colours

Olive · ΔE 12.8 Dark olivegreen · ΔE 16.4 Olivedrab · ΔE 16.5 Dark green · ΔE 29.5 Dark khaki · ΔE 30.5 Dark goldenrod · ΔE 33.5

Nearest named CSS colourOlive (#808000)ΔE 12.78, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#19106F

Analogous#6F4910, #376F10

Triadic#10666F, #6F1066

Split complementary#10366F, #49106F

Tetradic#106F49, #19106F, #6F1036

Tints, shades & saturation

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

Lighter +40%#DCE863

Lighter +30%#D2E236

Lighter +20%#B8C81D

Lighter +10%#8F9C16

Darker −10%#3D420A

Darker −20%#141603

Darker −30%#000000

Darker −40%#000000

More saturated +25%#737F00

Less saturated −25%#595F20

Channel breakdown

R102

G111

B16

Red102 (40%)

Green111 (43.5%)

Blue16 (6.3%)

Hue65.68°

Saturation (HSL)74.8%

Lightness24.9%

Dominant channelGreen

Hex per channelR 66 · G 6F · B 10

Keep nerding

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#666F10

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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