Colour

#423A00

#423A00
Yellow
Dark
Nearest: Dark olivegreen

#423A00 is a yellow with RGB values 66, 58, 0 and HSL 53°, 100%, 13%. It is a dark colour, so white text on it reaches 11.4:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#423A00#423A00

HEX#423A00

RGBrgb(66, 58, 0)

RGB (0–1)0.2588, 0.2275, 0

RGB percentages25.9%, 22.7%, 0%

HSLhsl(52.7, 100%, 12.9%)

HSV / HSBhsv(52.7, 100%, 25.9%)

CMYK0%, 12.1%, 100%, 74.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,340,224

CSS custom property--colour: #423A00;

Brightness & contrast

Relative luminance0.04184WCAG 2.x, 0 is black and 1 is white

Perceived brightness57.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.43:1

Contrast with white11.43:1WCAG normal text: AAA

Contrast with black1.84:1WCAG normal text: Fail

Greyscale equivalent#383838

Inverted#BDC5FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#413800no red cones; affects about 1% of men; ΔE 1.3 from the original

Deuteranopia#433B04no green cones; the most common form, about 1% of men; ΔE 1.2 from the original

Tritanopia#483530no blue cones; rare, and affects men and women equally; ΔE 28.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.43:1WCAG large text: AAA

Contrast with black, large text1.84:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 23.9 Saddle brown · ΔE 33.4 Olive · ΔE 37.6 Sienna · ΔE 38 Dark slate grey · ΔE 38.5 Dim grey · ΔE 38.9

Nearest named CSS colourDark olivegreen (#556B2F)ΔE 23.93, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#000842

Analogous#421900, #294200

Triadic#00423A, #3A0042

Split complementary#002942, #190042

Tetradic#004219, #000842, #420029

Tints, shades & saturation

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

Lighter +40%#FFE20F

Lighter +30%#DBC000

Lighter +20%#A89400

Lighter +10%#756700

Darker −10%#0F0D00

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#423A00

Less saturated −25%#3A3408

Channel breakdown

R66

G58

Red66 (25.9%)

Green58 (22.7%)

Blue0 (0%)

Hue52.73°

Saturation (HSL)100%

Lightness12.94%

Dominant channelRed

Hex per channelR 42 · G 3A · B 00

Keep nerding

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#423A00

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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