Colour

#1B1B00

#1B1B00
Yellow
Dark
Nearest: Black

#1B1B00 is a yellow with RGB values 27, 27, 0 and HSL 60°, 100%, 5%. It is a dark colour, so white text on it reaches 17.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1B1B00#1B1B00

HEX#1B1B00

RGBrgb(27, 27, 0)

RGB (0–1)0.1059, 0.1059, 0

RGB percentages10.6%, 10.6%, 0%

HSLhsl(60, 100%, 5.3%)

HSV / HSBhsv(60, 100%, 10.6%)

CMYK0%, 0%, 100%, 89.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,776,384

CSS custom property--colour: #1B1B00;

Brightness & contrast

Relative luminance0.01017WCAG 2.x, 0 is black and 1 is white

Perceived brightness25.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.45:1

Contrast with white17.45:1WCAG normal text: AAA

Contrast with black1.2:1WCAG normal text: Fail

Greyscale equivalent#191919

Inverted#E4E4FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1E1900no red cones; affects about 1% of men; ΔE 3.3 from the original

Deuteranopia#1F1A01no green cones; the most common form, about 1% of men; ΔE 3.2 from the original

Tritanopia#1E1815no blue cones; rare, and affects men and women equally; ΔE 12.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.45:1WCAG large text: AAA

Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Black · ΔE 17 Dark slate grey · ΔE 28.9 Dim grey · ΔE 38.1 Dark olivegreen · ΔE 39.8 Gray · ΔE 46.7 Slate grey · ΔE 50

Nearest named CSS colourBlack (#000000)ΔE 17.04, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00001B

Analogous#1B0E00, #0E1B00

Triadic#001B1B, #1B001B

Split complementary#000E1B, #0E001B

Tetradic#001B0E, #00001B, #1B000E

Tints, shades & saturation

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

Lighter +40%#E7E700

Lighter +30%#B4B400

Lighter +20%#818100

Lighter +10%#4E4E00

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1B1B00

Less saturated −25%#181803

Channel breakdown

R27

G27

Red27 (10.6%)

Green27 (10.6%)

Blue0 (0%)

Hue60°

Saturation (HSL)100%

Lightness5.29%

Dominant channelRed and Green

Hex per channelR 1B · G 1B · B 00

Keep nerding

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

#1B1B00

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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