#231d01

Color #231d01

A vivid, highly saturated very dark yellow.

Closest named color Black #000000 · ΔE 19.13 Nearest Tailwind class olive-900 #1d1d16 · ΔE 7.6

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Conversions

HEX

#231d01

RGB

rgb(35, 29, 1)

HSL

hsl(49.4, 94.4%, 7.1%)

HSV / HSB

hsv(49.4, 97.1%, 13.7%)

CMYK

cmyk(0%, 17.1%, 97.1%, 86.3%)

LAB

lab(10.84, -1.29, 15.71)

LCH

lch(10.84, 15.76, 94.69)

OKLCH

oklch(23.1%, 0.046, 97.74)

HWB

hwb(49.4, 0.4%, 86.3%)

Harmony colors

Complementary

#010723

Analogous

#230c01

#231d01

#182301

Triadic

#231d01

#01231d

#1d0123

Split-complementary

#231d01

#011823

#0c0123

Tetradic

#231d01

#072301

#010723

#1d0123

Square

#231d01

#01230c

#010723

#230118

Shades

Color #231d01 mixed toward black.

#1d1801

#171301

#120f01

#0c0a00

#060500

Tints

Color #231d01 mixed toward white.

#705d03

#bd9c05

#f8d119

#fbe065

#fdf0b2

Tones

Color #231d01 mixed toward gray.

#201b04

#1d1907

#1b180a

#18160c

#15140f

Accessibility

Aa White text on this color

16.83:1

Aa Black text on this color

1.25:1

White text reads better on this background (16.83:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#21200b · ΔE 3.3

Deuteranopia

#21210d · ΔE 4

Tritanopia

#231112 · ΔE 17.8

Achromatopsia

#1d1d1d · ΔE 11.7

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

Code

CSS

background-color: #231d01;

Tailwind (arbitrary value)

bg-[#231d01]

Related colors

Gold #ffd700

Cornsilk #fff8dc

Khaki #f0e68c

Lemon Chiffon #fffacd

Pale Goldenrod #eee8aa

Dark Khaki #bdb76b

Frequently asked questions

#231d01 (#231d01) is rgb(35, 29, 1) in RGB.

No, #231d01 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 #231d01, or check how it holds up for accessibility.

Generate a palette → Check contrast