#1b1e01

Color #1b1e01

A vivid, highly saturated very dark yellow.

Closest named color Black #000000 · ΔE 19.23 Nearest Tailwind class olive-900 #1d1d16 · ΔE 8.2

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Conversions

HEX

#1b1e01

RGB

rgb(27, 30, 1)

HSL

hsl(66.2, 93.5%, 6.1%)

HSV / HSB

hsv(66.2, 96.7%, 11.8%)

CMYK

cmyk(10%, 0%, 96.7%, 88.2%)

LAB

lab(10.29, -6.68, 14.81)

LCH

lch(10.29, 16.25, 114.28)

OKLCH

oklch(22.4%, 0.049, 115)

HWB

hwb(66.2, 0.4%, 88.2%)

Harmony colors

Complementary

#04011e

Analogous

#1e1301

#1b1e01

#0d1e01

Triadic

#1b1e01

#011b1e

#1e011b

Split-complementary

#1b1e01

#010d1e

#13011e

Tetradic

#1b1e01

#011e04

#04011e

#1e011b

Square

#1b1e01

#011e13

#04011e

#1e010d

Shades

Color #1b1e01 mixed toward black.

#171901

#121401

#0e0f01

#090a00

#050500

Tints

Color #1b1e01 mixed toward white.

#616b04

#a6b906

#e0f717

#eafa65

#f5fcb2

Tones

Color #1b1e01 mixed toward gray.

#191c03

#171906

#151708

#13140b

#11120d

Accessibility

Aa White text on this color

17.04:1

Aa Black text on this color

1.23:1

White text reads better on this background (17.04:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1c1c0b · ΔE 4.2

Deuteranopia

#1c1c0d · ΔE 4.8

Tritanopia

#1b1113 · ΔE 19.2

Achromatopsia

#1c1c1c · ΔE 12.7

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #1b1e01;

Tailwind (arbitrary value)

bg-[#1b1e01]

Related colors

Ivory #fffff0

Beige #f5f5dc

Light Goldenrod Yellow #fafad2

Light Yellow #ffffe0

Olive #808000

Yellow #ffff00

Frequently asked questions

#1b1e01 (#1b1e01) is rgb(27, 30, 1) in RGB.

No, #1b1e01 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #1b1e01, or check how it holds up for accessibility.

Generate a palette → Check contrast