#40591D#40591D

#40591D is a dark, moderate yellow-green. Relative luminance 0.083; OKLCH L 43.0% C 0.091 H 128.9°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#40591D
RGB	rgb(64, 89, 29)
HSL	hsl(85, 51%, 23%)
HSV	hsv(85, 67%, 35%)
CMYK	cmyk(28.1%, 0%, 67.4%, 65.1%)
CIE-LAB	lab(34.65, -20.24, 30.80)
CIE-LCH	lch(34.65, 36.86, 123.31°)
OKLab	oklab(42.97% -0.0572 0.071)
OKLCH	oklch(42.97% 0.091 128.9)
XYZ	xyz(5.9085, 8.3233, 2.4574)
Luminance	0.0832 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40591D #361D59

analogous

#59541D #40591D #22591D

triadic

#40591D #1D4059 #591D40

tetradic

#40591D #1D5954 #361D59 #591D22

square

#40591D #1D5954 #361D59 #591D22

split-complementary

#40591D #1D2259 #541D59

monochromatic

#111708 #1F2B0E #40591D #61872C #82B53B

Accessibility & contrast

On white

7.88

#40591D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#40591D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40591D

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40591D	#FFFFFF	#000000	##FFFFFF
##40591D	1.00	7.88	2.66	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5316

Deuteranopia (green-blind)

#5A5121

Tritanopia (blue-blind)

#42554C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #40591d;
/* rgb */ color: rgb(64, 89, 29);
/* oklch */ color: oklch(43.0% 0.091 128.9);

Tailwind

colors: {
  custom: {
    50: '#77885c',
    500: '#40591d',
    950: '#000000',
  },
}

SCSS

$custom: #40591d;
$custom-light: #77885c;
$custom-dark: #000000;

JSON

{
  "hex": "#40591d",
  "rgb": {
    "r": 64,
    "g": 89,
    "b": 29
  },
  "hsl": {
    "h": 85,
    "s": 50.847,
    "l": 23.137
  },
  "oklch": {
    "l": 0.42971,
    "c": 0.09115,
    "h": 128.9
  },
  "luminance": 0.08323
}

Semantic roles & 50–950 ramp

primary

#40591D

secondary

#63448E

accent

#4DDA88

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #40591D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →