Colour

#1B1601

#1B1601
Yellow
Dark
Nearest: Black

#1B1601 is a yellow with RGB values 27, 22, 1 and HSL 48°, 93%, 5%. It is a dark colour, so white text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1B1601#1B1601

HEX#1B1601

RGBrgb(27, 22, 1)

RGB (0–1)0.1059, 0.0863, 0.0039

RGB percentages10.6%, 8.6%, 0.4%

HSLhsl(48.5, 92.9%, 5.5%)

HSV / HSBhsv(48.5, 96.3%, 10.6%)

CMYK0%, 18.5%, 96.3%, 89.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,775,105

CSS custom property--colour: #1B1601;

Brightness & contrast

Relative luminance0.00809WCAG 2.x, 0 is black and 1 is white

Perceived brightness22.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.08:1

Contrast with white18.08:1WCAG normal text: AAA

Contrast with black1.16:1WCAG normal text: Fail

Greyscale equivalent#161616

Inverted#E4E9FE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1A1500no red cones; affects about 1% of men; ΔE 0.6 from the original

Deuteranopia#1B1702no green cones; the most common form, about 1% of men; ΔE 0.7 from the original

Tritanopia#1E1311no blue cones; rare, and affects men and women equally; ΔE 9.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.08:1WCAG large text: AAA

Contrast with black, large text1.16:1WCAG large text: Fail

Named colours

Black · ΔE 12.8 Dark slate grey · ΔE 29.9 Dim grey · ΔE 38.6 Dark olivegreen · ΔE 44.1 Gray · ΔE 47.5 Slate grey · ΔE 50.2

Nearest named CSS colourBlack (#000000)ΔE 12.85, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#01061B

Analogous#1B0901, #131B01

Triadic#011B16, #16011B

Split complementary#01131B, #09011B

Tetradic#011B09, #01061B, #1B0113

Tints, shades & saturation

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

Lighter +40%#E0B608

Lighter +30%#AF8E06

Lighter +20%#7D6605

Lighter +10%#4C3E03

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1C1700

Less saturated −25%#171405

Channel breakdown

R27

G22

Red27 (10.6%)

Green22 (8.6%)

Blue1 (0.4%)

Hue48.46°

Saturation (HSL)92.86%

Lightness5.49%

Dominant channelRed

Hex per channelR 1B · G 16 · B 01

Keep nerding

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

#1B1601

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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