#31A01B#31A01B

#31A01B is a mid, vivid green. Relative luminance 0.259; OKLCH L 61.9% C 0.191 H 141.0°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#31A01B
RGB	rgb(49, 160, 27)
HSL	hsl(110, 71%, 37%)
HSV	hsv(110, 83%, 63%)
CMYK	cmyk(69.4%, 0%, 83.1%, 37.3%)
CIE-LAB	lab(57.92, -54.33, 54.46)
CIE-LCH	lch(57.92, 76.92, 134.93°)
OKLab	oklab(61.94% -0.1486 0.1204)
OKLCH	oklch(61.94% 0.191 141)
XYZ	xyz(14.0345, 25.8722, 5.2909)
Luminance	0.2587 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31A01B #8A1BA0

analogous

#74A01B #31A01B #1BA048

triadic

#31A01B #1B31A0 #A01B31

tetradic

#31A01B #1B74A0 #8A1BA0 #A0481B

square

#31A01B #1B74A0 #8A1BA0 #A0481B

split-complementary

#31A01B #481BA0 #A01B74

monochromatic

#113709 #216C12 #31A01B #41D424 #6BE253

Accessibility & contrast

On white

3.40

#31A01B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#31A01B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #31A01B

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31A01B	#FFFFFF	#000000	##000000
##31A01B	1.00	3.40	6.17	6.17
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49000

Deuteranopia (green-blind)

#97882C

Tritanopia (blue-blind)

#199B88

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #31a01b;
/* rgb */ color: rgb(49, 160, 27);
/* oklch */ color: oklch(61.9% 0.191 141.0);

Tailwind

colors: {
  custom: {
    50: '#7abd64',
    500: '#31a01b',
    950: '#000000',
  },
}

SCSS

$custom: #31a01b;
$custom-light: #7abd64;
$custom-dark: #000000;

JSON

{
  "hex": "#31a01b",
  "rgb": {
    "r": 49,
    "g": 160,
    "b": 27
  },
  "hsl": {
    "h": 110.075,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.61941,
    "c": 0.19126,
    "h": 141
  },
  "luminance": 0.25874
}

Semantic roles & 50–950 ramp

primary

#31A01B

secondary

#B252C5

accent

#3AEED0

background

#F8FBF6

surface

#EFF7EB

border

#CAD0C6

text

#0B1206

muted

#7C817A

Preview Lab

Preview with #31A01B

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

Preview Lab → · Contrast checker → · Palette generator →