Colour

#1B1911

#1B1911
Yellow
Dark
Nearest: Black

#1B1911 is a yellow with RGB values 27, 25, 17 and HSL 48°, 23%, 9%. It is a dark colour, so white text on it reaches 17.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1B1911#1B1911

HEX#1B1911

RGBrgb(27, 25, 17)

RGB (0–1)0.1059, 0.098, 0.0667

RGB percentages10.6%, 9.8%, 6.7%

HSLhsl(48, 22.7%, 8.6%)

HSV / HSBhsv(48, 37%, 10.6%)

CMYK0%, 7.4%, 37%, 89.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,775,889

CSS custom property--colour: #1B1911;

Brightness & contrast

Relative luminance0.00969WCAG 2.x, 0 is black and 1 is white

Perceived brightness24.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.59:1

Contrast with white17.59:1WCAG normal text: AAA

Contrast with black1.19:1WCAG normal text: Fail

Greyscale equivalent#191919

Inverted#E4E6EE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1B1910no red cones; affects about 1% of men; ΔE 0.6 from the original

Deuteranopia#1B1911no green cones; the most common form, about 1% of men; ΔE 0 from the original

Tritanopia#1D1817no blue cones; rare, and affects men and women equally; ΔE 4.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.59:1WCAG large text: AAA

Contrast with black, large text1.19:1WCAG large text: Fail

Named colours

Black · ΔE 10.3 Dark slate grey · ΔE 26.7 Dim grey · ΔE 36.1 Gray · ΔE 45.2 Dark olivegreen · ΔE 45.6 Slate grey · ΔE 47

Nearest named CSS colourBlack (#000000)ΔE 10.33, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#11131B

Analogous#1B1411, #181B11

Triadic#111B19, #19111B

Split complementary#11181B, #14111B

Tetradic#111B14, #11131B, #1B1118

Tints, shades & saturation

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

Lighter +40%#988D60

Lighter +30%#79704C

Lighter +20%#5A5338

Lighter +10%#3A3625

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#211C0B

Less saturated −25%#161616

Channel breakdown

R27

G25

B17

Red27 (10.6%)

Green25 (9.8%)

Blue17 (6.7%)

Hue48°

Saturation (HSL)22.73%

Lightness8.63%

Dominant channelRed

Hex per channelR 1B · G 19 · B 11

Keep nerding

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#1B1911

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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