#40571E#40571E

#40571E is a dark, moderate yellow-green. Relative luminance 0.080; OKLCH L 42.4% C 0.087 H 128.2°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#40571E
RGB	rgb(64, 87, 30)
HSL	hsl(84, 49%, 23%)
HSV	hsv(84, 66%, 34%)
CMYK	cmyk(26.4%, 0%, 65.5%, 65.9%)
CIE-LAB	lab(33.98, -19.08, 29.57)
CIE-LCH	lch(33.98, 35.19, 122.84°)
OKLab	oklab(42.44% -0.0539 0.0685)
OKLCH	oklch(42.44% 0.087 128.2)
XYZ	xyz(5.7569, 8.0000, 2.4689)
Luminance	0.0800 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40571E #351E57

analogous

#57511E #40571E #23571E

triadic

#40571E #1E4057 #571E40

tetradic

#40571E #1E5751 #351E57 #571E23

square

#40571E #1E5751 #351E57 #571E23

split-complementary

#40571E #1E2357 #511E57

monochromatic

#111708 #1F290E #40571E #61852E #83B23D

Accessibility & contrast

On white

8.08

#40571E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#40571E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40571E

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40571E	#FFFFFF	#000000	##FFFFFF
##40571E	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5118

Deuteranopia (green-blind)

#584F22

Tritanopia (blue-blind)

#42534B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #40571e;
/* rgb */ color: rgb(64, 87, 30);
/* oklch */ color: oklch(42.4% 0.087 128.2);

Tailwind

colors: {
  custom: {
    50: '#77865c',
    500: '#40571e',
    950: '#000000',
  },
}

SCSS

$custom: #40571e;
$custom-light: #77865c;
$custom-dark: #000000;

JSON

{
  "hex": "#40571e",
  "rgb": {
    "r": 64,
    "g": 87,
    "b": 30
  },
  "hsl": {
    "h": 84.211,
    "s": 48.718,
    "l": 22.941
  },
  "oklch": {
    "l": 0.42436,
    "c": 0.08717,
    "h": 128.2
  },
  "luminance": 0.08
}

Semantic roles & 50–950 ramp

primary

#40571E

secondary

#62458C

accent

#50D887

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #40571E

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

Preview Lab → · Contrast checker → · Palette generator →