#40520D#40520D

#40520D is a dark, moderate yellow-green. Relative luminance 0.072; OKLCH L 40.9% C 0.093 H 123.7°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#40520D
RGB	rgb(64, 82, 13)
HSL	hsl(76, 73%, 19%)
HSV	hsv(76, 84%, 32%)
CMYK	cmyk(22%, 0%, 84.1%, 67.8%)
CIE-LAB	lab(32.15, -17.69, 35.22)
CIE-LCH	lch(32.15, 39.41, 116.68°)
OKLab	oklab(40.91% -0.0518 0.0776)
OKLCH	oklch(40.91% 0.093 123.7)
XYZ	xyz(5.2044, 7.1536, 1.4873)
Luminance	0.0715 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40520D #1F0D52

analogous

#52410D #40520D #1D520D

triadic

#40520D #0D4052 #520D40

tetradic

#40520D #0D5241 #1F0D52 #520D1D

square

#40520D #0D5241 #1F0D52 #520D1D

split-complementary

#40520D #0D1D52 #410D52

monochromatic

#151A04 #171D05 #40520D #698715 #92BC1E

Accessibility & contrast

On white

8.64

#40520D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#40520D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40520D

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40520D	#FFFFFF	#000000	##FFFFFF
##40520D	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574C00

Deuteranopia (green-blind)

#554B14

Tritanopia (blue-blind)

#444D45

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #40520d;
/* rgb */ color: rgb(64, 82, 13);
/* oklch */ color: oklch(40.9% 0.093 123.7);

Tailwind

colors: {
  custom: {
    50: '#778252',
    500: '#40520d',
    950: '#000000',
  },
}

SCSS

$custom: #40520d;
$custom-light: #778252;
$custom-dark: #000000;

JSON

{
  "hex": "#40520d",
  "rgb": {
    "r": 64,
    "g": 82,
    "b": 13
  },
  "hsl": {
    "h": 75.652,
    "s": 72.632,
    "l": 18.627
  },
  "oklch": {
    "l": 0.40911,
    "c": 0.09325,
    "h": 123.7
  },
  "luminance": 0.07154
}

Semantic roles & 50–950 ramp

primary

#40520D

secondary

#472E8D

accent

#38EF68

background

#F7F7F4

surface

#EDEEE7

border

#C8C9C3

text

#090A02

muted

#7B7C78

Preview Lab

Preview with #40520D

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

Preview Lab → · Contrast checker → · Palette generator →