#40801D#40801D

#40801D is a mid, vivid yellow-green. Relative luminance 0.166; OKLCH L 53.7% C 0.146 H 137.0°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#40801D
RGB	rgb(64, 128, 29)
HSL	hsl(99, 63%, 31%)
HSV	hsv(99, 77%, 50%)
CMYK	cmyk(50%, 0%, 77.3%, 49.8%)
CIE-LAB	lab(47.77, -38.41, 44.37)
CIE-LCH	lch(47.77, 58.68, 130.88°)
OKLab	oklab(53.7% -0.1066 0.0995)
OKLCH	oklch(53.7% 0.146 137)
XYZ	xyz(10.0550, 16.6164, 3.8396)
Luminance	0.1662 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40801D #5D1D80

analogous

#71801D #40801D #1D802B

triadic

#40801D #1D4080 #801D40

tetradic

#40801D #1D7180 #5D1D80 #802B1D

square

#40801D #1D7180 #5D1D80 #802B1D

split-complementary

#40801D #2B1D80 #801D71

monochromatic

#0E1C06 #274E12 #40801D #59B228 #76D443

Accessibility & contrast

On white

4.86

#40801D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#40801D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40801D

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40801D	#FFFFFF	#000000	##FFFFFF
##40801D	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847508

Deuteranopia (green-blind)

#7C6F27

Tritanopia (blue-blind)

#3C7B6D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #40801d;
/* rgb */ color: rgb(64, 128, 29);
/* oklch */ color: oklch(53.7% 0.146 137.0);

Tailwind

colors: {
  custom: {
    50: '#7ba561',
    500: '#40801d',
    950: '#000000',
  },
}

SCSS

$custom: #40801d;
$custom-light: #7ba561;
$custom-dark: #000000;

JSON

{
  "hex": "#40801d",
  "rgb": {
    "r": 64,
    "g": 128,
    "b": 29
  },
  "hsl": {
    "h": 98.788,
    "s": 63.057,
    "l": 30.784
  },
  "oklch": {
    "l": 0.53698,
    "c": 0.14579,
    "h": 137
  },
  "luminance": 0.16617
}

Semantic roles & 50–950 ramp

primary

#40801D

secondary

#8C45B3

accent

#42E6AC

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #40801D

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

Preview Lab → · Contrast checker → · Palette generator →