Recognised as Colour

#42390B

#42390B
Yellow
Dark
Nearest: Dark olivegreen

#42390B is a yellow with RGB values 66, 57, 11 and HSL 50°, 71%, 15%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#42390B#42390B

HEX#42390B

RGBrgb(66, 57, 11)

RGB (0–1)0.2588, 0.2235, 0.0431

RGB percentages25.9%, 22.4%, 4.3%

HSLhsl(50.2, 71.4%, 15.1%)

HSV / HSBhsv(50.2, 83.3%, 25.9%)

CMYK0%, 13.6%, 83.3%, 74.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,339,979

CSS custom property--colour: #42390B;

Brightness & contrast

Relative luminance0.04109WCAG 2.x, 0 is black and 1 is white

Perceived brightness56.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.53:1

Contrast with white11.53:1WCAG normal text: AAA

Contrast with black1.82:1WCAG normal text: Fail

Greyscale equivalent#383838

Inverted#BDC6F4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#403704no red cones; affects about 1% of men; ΔE 2.1 from the original

Deuteranopia#423A0Eno green cones; the most common form, about 1% of men; ΔE 1.2 from the original

Tritanopia#483430no blue cones; rare, and affects men and women equally; ΔE 24.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.53:1WCAG large text: AAA

Contrast with black, large text1.82:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 24.9 Saddle brown · ΔE 33.9 Dark slate grey · ΔE 34.3 Dim grey · ΔE 35 Black · ΔE 37.3 Sienna · ΔE 37.7

Nearest named CSS colourDark olivegreen (#556B2F)ΔE 24.88, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0B1442

Analogous#421E0B, #30420B

Triadic#0B4239, #390B42

Split complementary#0B2F42, #1E0B42

Tetradic#0B421E, #0B1442, #420B2F

Tints, shades & saturation

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

Lighter +40%#DEC43B

Lighter +30%#C5AA21

Lighter +20%#99851A

Lighter +10%#6E5F12

Darker −10%#161304

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4C3F01

Less saturated −25%#383315

Channel breakdown

R66

G57

B11

Red66 (25.9%)

Green57 (22.4%)

Blue11 (4.3%)

Hue50.18°

Saturation (HSL)71.43%

Lightness15.1%

Dominant channelRed

Hex per channelR 42 · G 39 · B 0B

Keep nerding

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

#42390B

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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