Colour

#665D33

#665D33
Yellow
Dark
Nearest: Dark olivegreen

#665D33 is a yellow with RGB values 102, 93, 51 and HSL 49°, 33%, 30%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#665D33#665D33

HEX#665D33

RGBrgb(102, 93, 51)

RGB (0–1)0.4, 0.3647, 0.2

RGB percentages40%, 36.5%, 20%

HSLhsl(49.4, 33.3%, 30%)

HSV / HSBhsv(49.4, 50%, 40%)

CMYK0%, 8.8%, 50%, 60%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,708,531

CSS custom property--colour: #665D33;

Brightness & contrast

Relative luminance0.10892WCAG 2.x, 0 is black and 1 is white

Perceived brightness92.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.61:1

Contrast with white6.61:1WCAG normal text: AA

Contrast with black3.18:1WCAG normal text: Fail

Greyscale equivalent#5C5C5C

Inverted#99A2CC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#645B30no red cones; affects about 1% of men; ΔE 1.1 from the original

Deuteranopia#675E35no green cones; the most common form, about 1% of men; ΔE 0.7 from the original

Tritanopia#6D5753no blue cones; rare, and affects men and women equally; ΔE 22.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.61:1WCAG large text: AAA

Contrast with black, large text3.18:1WCAG large text: AA

Named colours

Dark olivegreen · ΔE 17.1 Dim grey · ΔE 26 Gray · ΔE 29.2 Dark slate grey · ΔE 31.5 Saddle brown · ΔE 33.2 Sienna · ΔE 34

Nearest named CSS colourDark olivegreen (#556B2F)ΔE 17.1, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#333C66

Analogous#664333, #566633

Triadic#33665D, #5D3366

Split complementary#335666, #443366

Tetradic#336643, #333C66, #663356

Tints, shades & saturation

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

Lighter +40%#CCC399

Lighter +30%#BBAF77

Lighter +20%#AA9B55

Lighter +10%#887C44

Darker −10%#443E22

Darker −20%#221F11

Darker −30%#000000

Darker −40%#000000

More saturated +25%#796920

Less saturated −25%#535146

Channel breakdown

R102

G93

B51

Red102 (40%)

Green93 (36.5%)

Blue51 (20%)

Hue49.41°

Saturation (HSL)33.33%

Lightness30%

Dominant channelRed

Hex per channelR 66 · G 5D · B 33

Keep nerding

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#665D33

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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