#40631E#40631E

#40631E is a mid, moderate yellow-green. Relative luminance 0.101; OKLCH L 45.7% C 0.105 H 132.3°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#40631E
RGB	rgb(64, 99, 30)
HSL	hsl(90, 53%, 25%)
HSV	hsv(90, 70%, 39%)
CMYK	cmyk(35.4%, 0%, 69.7%, 61.2%)
CIE-LAB	lab(38.03, -25.23, 33.99)
CIE-LCH	lch(38.03, 42.33, 126.59°)
OKLab	oklab(45.73% -0.0708 0.0779)
OKLCH	oklch(45.73% 0.105 132.3)
XYZ	xyz(6.8104, 10.1072, 2.8201)
Luminance	0.1011 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40631E #411E63

analogous

#62631E #40631E #1E631F

triadic

#40631E #1E4063 #631E40

tetradic

#40631E #1E6263 #411E63 #631F1E

square

#40631E #1E6263 #411E63 #631F1E

split-complementary

#40631E #1F1E63 #631E62

monochromatic

#0F1707 #223410 #40631E #5E922C #7DC13A

Accessibility & contrast

On white

6.95

#40631E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#40631E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40631E

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40631E	#FFFFFF	#000000	##FFFFFF
##40631E	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675B15

Deuteranopia (green-blind)

#625924

Tritanopia (blue-blind)

#415F55

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #40631e;
/* rgb */ color: rgb(64, 99, 30);
/* oklch */ color: oklch(45.7% 0.105 132.3);

Tailwind

colors: {
  custom: {
    50: '#788f5e',
    500: '#40631e',
    950: '#000000',
  },
}

SCSS

$custom: #40631e;
$custom-light: #788f5e;
$custom-dark: #000000;

JSON

{
  "hex": "#40631e",
  "rgb": {
    "r": 64,
    "g": 99,
    "b": 30
  },
  "hsl": {
    "h": 90.435,
    "s": 53.488,
    "l": 25.294
  },
  "oklch": {
    "l": 0.45727,
    "c": 0.10523,
    "h": 132.3
  },
  "luminance": 0.10107
}

Semantic roles & 50–950 ramp

primary

#40631E

secondary

#6F4598

accent

#4BDD95

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090C04

muted

#7B7D79

Preview Lab

Preview with #40631E

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

Preview Lab → · Contrast checker → · Palette generator →