#40591E#40591E

#40591E is a dark, moderate yellow-green. Relative luminance 0.083; OKLCH L 43.0% C 0.090 H 129.0°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#40591E
RGB	rgb(64, 89, 30)
HSL	hsl(85, 50%, 23%)
HSV	hsv(85, 66%, 35%)
CMYK	cmyk(28.1%, 0%, 66.3%, 65.1%)
CIE-LAB	lab(34.66, -20.14, 30.32)
CIE-LCH	lch(34.66, 36.40, 123.60°)
OKLab	oklab(42.98% -0.0568 0.0701)
OKLCH	oklch(42.98% 0.09 129)
XYZ	xyz(5.9210, 8.3283, 2.5236)
Luminance	0.0833 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40591E #371E59

analogous

#59541E #40591E #22591E

triadic

#40591E #1E4059 #591E40

tetradic

#40591E #1E5954 #371E59 #591E22

square

#40591E #1E5954 #371E59 #591E22

split-complementary

#40591E #1E2259 #541E59

monochromatic

#101708 #1F2B0F #40591E #61872D #82B53D

Accessibility & contrast

On white

7.88

#40591E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#40591E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40591E

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40591E	#FFFFFF	#000000	##FFFFFF
##40591E	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5317

Deuteranopia (green-blind)

#5A5122

Tritanopia (blue-blind)

#42554D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #40591e;
/* rgb */ color: rgb(64, 89, 30);
/* oklch */ color: oklch(43.0% 0.090 129.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#40591e",
  "rgb": {
    "r": 64,
    "g": 89,
    "b": 30
  },
  "hsl": {
    "h": 85.424,
    "s": 49.58,
    "l": 23.333
  },
  "oklch": {
    "l": 0.42983,
    "c": 0.09023,
    "h": 129
  },
  "luminance": 0.08328
}

Semantic roles & 50–950 ramp

primary

#40591E

secondary

#64458E

accent

#4FD989

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #40591E

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

Preview Lab → · Contrast checker → · Palette generator →