Colour

#646A18

#646A18
Yellow
Dark
Nearest: Dark olivegreen

#646A18 is a yellow with RGB values 100, 106, 24 and HSL 64°, 63%, 25%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#646A18#646A18

HEX#646A18

RGBrgb(100, 106, 24)

RGB (0–1)0.3922, 0.4157, 0.0941

RGB percentages39.2%, 41.6%, 9.4%

HSLhsl(64.4, 63.1%, 25.5%)

HSV / HSBhsv(64.4, 77.4%, 41.6%)

CMYK5.7%, 0%, 77.4%, 58.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,580,760

CSS custom property--colour: #646A18;

Brightness & contrast

Relative luminance0.13083WCAG 2.x, 0 is black and 1 is white

Perceived brightness98.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.81:1

Contrast with white5.81:1WCAG normal text: AA

Contrast with black3.62:1WCAG normal text: Fail

Greyscale equivalent#636363

Inverted#9B95E7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#726507no red cones; affects about 1% of men; ΔE 10.4 from the original

Deuteranopia#72661Fno green cones; the most common form, about 1% of men; ΔE 9.6 from the original

Tritanopia#6B635Ano blue cones; rare, and affects men and women equally; ΔE 39 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text5.81:1WCAG large text: AAA

Contrast with black, large text3.62:1WCAG large text: AA

Named colours

Dark olivegreen · ΔE 12.9 Olive · ΔE 17 Olivedrab · ΔE 20.4 Dark green · ΔE 30.8 Dark khaki · ΔE 31 Dark goldenrod · ΔE 35

Nearest named CSS colourDark olivegreen (#556B2F)ΔE 12.91, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1E186A

Analogous#6A4718, #3B6A18

Triadic#18646A, #6A1864

Split complementary#183B6A, #47186A

Tetradic#186A47, #1E186A, #6A183B

Tints, shades & saturation

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

Lighter +40%#D6DF6F

Lighter +30%#CBD546

Lighter +20%#B2BD2B

Lighter +10%#8B9421

Darker −10%#3D400F

Darker −20%#161705

Darker −30%#000000

Darker −40%#000000

More saturated +25%#727A08

Less saturated −25%#565A28

Channel breakdown

R100

G106

B24

Red100 (39.2%)

Green106 (41.6%)

Blue24 (9.4%)

Hue64.39°

Saturation (HSL)63.08%

Lightness25.49%

Dominant channelGreen

Hex per channelR 64 · G 6A · B 18

Keep nerding

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

#646A18

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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