#31851B#31851B

#31851B is a mid, vivid green. Relative luminance 0.175; OKLCH L 54.5% C 0.160 H 140.1°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#31851B
RGB	rgb(49, 133, 27)
HSL	hsl(108, 66%, 31%)
HSV	hsv(108, 80%, 52%)
CMYK	cmyk(63.2%, 0%, 79.7%, 47.8%)
CIE-LAB	lab(48.89, -44.84, 45.97)
CIE-LCH	lch(48.89, 64.22, 134.28°)
OKLab	oklab(54.46% -0.123 0.1027)
OKLCH	oklch(54.46% 0.16 140.1)
XYZ	xyz(9.8515, 17.5062, 3.8966)
Luminance	0.1751 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31851B #6F1B85

analogous

#66851B #31851B #1B853A

triadic

#31851B #1B3185 #851B31

tetradic

#31851B #1B6685 #6F1B85 #853A1B

square

#31851B #1B6685 #6F1B85 #853A1B

split-complementary

#31851B #3A1B85 #851B66

monochromatic

#0C1F06 #1E5211 #31851B #44B825 #61D942

Accessibility & contrast

On white

4.67

#31851B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#31851B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #31851B

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31851B	#FFFFFF	#000000	##FFFFFF
##31851B	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#897800

Deuteranopia (green-blind)

#7F7227

Tritanopia (blue-blind)

#258071

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #31851b;
/* rgb */ color: rgb(49, 133, 27);
/* oklch */ color: oklch(54.5% 0.160 140.1);

Tailwind

colors: {
  custom: {
    50: '#74a960',
    500: '#31851b',
    950: '#000000',
  },
}

SCSS

$custom: #31851b;
$custom-light: #74a960;
$custom-dark: #000000;

JSON

{
  "hex": "#31851b",
  "rgb": {
    "r": 49,
    "g": 133,
    "b": 27
  },
  "hsl": {
    "h": 107.547,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.54464,
    "c": 0.16026,
    "h": 140.1
  },
  "luminance": 0.17507
}

Semantic roles & 50–950 ramp

primary

#31851B

secondary

#A044B8

accent

#3FE9C6

background

#F7FAF5

surface

#EDF4EA

border

#C8CEC6

text

#091005

muted

#7B7F79

Preview Lab

Preview with #31851B

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

Preview Lab → · Contrast checker → · Palette generator →