Recognised as Colour

#666A33

#666A33
Yellow
Dark
Nearest: Dark olivegreen

#666A33 is a yellow with RGB values 102, 106, 51 and HSL 64°, 35%, 31%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#666A33#666A33

HEX#666A33

RGBrgb(102, 106, 51)

RGB (0–1)0.4, 0.4157, 0.2

RGB percentages40%, 41.6%, 20%

HSLhsl(64.4, 35%, 30.8%)

HSV / HSBhsv(64.4, 51.9%, 41.6%)

CMYK3.8%, 0%, 51.9%, 58.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,711,859

CSS custom property--colour: #666A33;

Brightness & contrast

Relative luminance0.13372WCAG 2.x, 0 is black and 1 is white

Perceived brightness100 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.72:1

Contrast with white5.72:1WCAG normal text: AA

Contrast with black3.67:1WCAG normal text: Fail

Greyscale equivalent#656565

Inverted#9995CC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#71662Eno red cones; affects about 1% of men; ΔE 7.4 from the original

Deuteranopia#716736no green cones; the most common form, about 1% of men; ΔE 7.2 from the original

Tritanopia#6C645Dno blue cones; rare, and affects men and women equally; ΔE 27.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text5.72:1WCAG large text: AAA

Contrast with black, large text3.67:1WCAG large text: AA

Named colours

Dark olivegreen · ΔE 8.6 Olive · ΔE 28.1 Olivedrab · ΔE 28.9 Dark khaki · ΔE 31.5 Dim grey · ΔE 31.8 Sea green · ΔE 32.1

Nearest named CSS colourDark olivegreen (#556B2F)ΔE 8.59, clearly different but related

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#37336A

Analogous#6A5333, #4A6A33

Triadic#33666A, #6A3366

Split complementary#334B6A, #53336A

Tetradic#336A53, #37336A, #6A334A

Tints, shades & saturation

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

Lighter +40%#CBCF9A

Lighter +30%#B9BE78

Lighter +20%#A7AD56

Lighter +10%#878C44

Darker −10%#454822

Darker −20%#242512

Darker −30%#030301

Darker −40%#000000

More saturated +25%#777E1F

Less saturated −25%#555647

Channel breakdown

R102

G106

B51

Red102 (40%)

Green106 (41.6%)

Blue51 (20%)

Hue64.36°

Saturation (HSL)35.03%

Lightness30.78%

Dominant channelGreen

Hex per channelR 66 · G 6A · B 33

Keep nerding

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

#666A33

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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