#40831A#40831A

#40831A is a mid, vivid yellow-green. Relative luminance 0.174; OKLCH L 54.5% C 0.151 H 137.0°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#40831A
RGB	rgb(64, 131, 26)
HSL	hsl(98, 67%, 31%)
HSV	hsv(98, 80%, 51%)
CMYK	cmyk(51.1%, 0%, 80.2%, 48.6%)
CIE-LAB	lab(48.76, -39.84, 46.37)
CIE-LCH	lch(48.76, 61.13, 130.67°)
OKLab	oklab(54.5% -0.1107 0.1032)
OKLCH	oklch(54.5% 0.151 137)
XYZ	xyz(10.4168, 17.3964, 3.7860)
Luminance	0.1740 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40831A #5D1A83

analogous

#74831A #40831A #1A8329

triadic

#40831A #1A4083 #831A40

tetradic

#40831A #1A7483 #5D1A83 #83291A

square

#40831A #1A7483 #5D1A83 #83291A

split-complementary

#40831A #291A83 #831A74

monochromatic

#0E1D06 #275010 #40831A #59B624 #76D93F

Accessibility & contrast

On white

4.69

#40831A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#40831A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40831A

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40831A	#FFFFFF	#000000	##FFFFFF
##40831A	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#887700

Deuteranopia (green-blind)

#7F7226

Tritanopia (blue-blind)

#3C7E6F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #40831a;
/* rgb */ color: rgb(64, 131, 26);
/* oklch */ color: oklch(54.5% 0.151 137.0);

Tailwind

colors: {
  custom: {
    50: '#7ca860',
    500: '#40831a',
    950: '#000000',
  },
}

SCSS

$custom: #40831a;
$custom-light: #7ca860;
$custom-dark: #000000;

JSON

{
  "hex": "#40831a",
  "rgb": {
    "r": 64,
    "g": 131,
    "b": 26
  },
  "hsl": {
    "h": 98.286,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.54501,
    "c": 0.1513,
    "h": 137
  },
  "luminance": 0.17397
}

Semantic roles & 50–950 ramp

primary

#40831A

secondary

#8C42B7

accent

#3EEAAC

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #40831A

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

Preview Lab → · Contrast checker → · Palette generator →