Colour

#1B1701

#1B1701
Yellow
Dark
Nearest: Black

#1B1701 is a yellow with RGB values 27, 23, 1 and HSL 51°, 93%, 5%. It is a dark colour, so white text on it reaches 18:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1B1701#1B1701

HEX#1B1701

RGBrgb(27, 23, 1)

RGB (0–1)0.1059, 0.0902, 0.0039

RGB percentages10.6%, 9%, 0.4%

HSLhsl(50.8, 92.9%, 5.5%)

HSV / HSBhsv(50.8, 96.3%, 10.6%)

CMYK0%, 14.8%, 96.3%, 89.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,775,361

CSS custom property--colour: #1B1701;

Brightness & contrast

Relative luminance0.00848WCAG 2.x, 0 is black and 1 is white

Perceived brightness23 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.95:1

Contrast with white17.95:1WCAG normal text: AAA

Contrast with black1.17:1WCAG normal text: Fail

Greyscale equivalent#161616

Inverted#E4E8FE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1A1600no red cones; affects about 1% of men; ΔE 0.6 from the original

Deuteranopia#1C1702no green cones; the most common form, about 1% of men; ΔE 0.7 from the original

Tritanopia#1E1412no blue cones; rare, and affects men and women equally; ΔE 10.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.95:1WCAG large text: AAA

Contrast with black, large text1.17:1WCAG large text: Fail

Named colours

Black · ΔE 13.5 Dark slate grey · ΔE 29.6 Dim grey · ΔE 38.4 Dark olivegreen · ΔE 43.3 Gray · ΔE 47.3 Slate grey · ΔE 50.1

Nearest named CSS colourBlack (#000000)ΔE 13.54, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#01051B

Analogous#1B0A01, #121B01

Triadic#011B17, #17011B

Split complementary#01121B, #0A011B

Tetradic#011B0A, #01051B, #1B0112

Tints, shades & saturation

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

Lighter +40%#E0BF08

Lighter +30%#AF9506

Lighter +20%#7D6B05

Lighter +10%#4C4103

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1C1800

Less saturated −25%#171505

Channel breakdown

R27

G23

Red27 (10.6%)

Green23 (9%)

Blue1 (0.4%)

Hue50.77°

Saturation (HSL)92.86%

Lightness5.49%

Dominant channelRed

Hex per channelR 1B · G 17 · B 01

Keep nerding

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

#1B1701

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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