#31BB57#31BB57

#31BB57 is a light, vivid green. Relative luminance 0.369; OKLCH L 69.8% C 0.182 H 148.1°. Best body text is #000000 at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#31BB57
RGB	rgb(49, 187, 87)
HSL	hsl(137, 58%, 46%)
HSV	hsv(137, 74%, 73%)
CMYK	cmyk(73.8%, 0%, 53.5%, 26.7%)
CIE-LAB	lab(67.19, -57.47, 40.04)
CIE-LCH	lch(67.19, 70.04, 145.13°)
OKLab	oklab(69.79% -0.1546 0.0962)
OKLCH	oklch(69.79% 0.182 148.1)
XYZ	xyz(20.7556, 36.8793, 15.0395)
Luminance	0.3688 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31BB57 #BB3195

analogous

#50BB31 #31BB57 #31BB9C

triadic

#31BB57 #5731BB #BB5731

tetradic

#31BB57 #3150BB #BB3195 #BB9C31

square

#31BB57 #3150BB #BB3195 #BB9C31

split-complementary

#31BB57 #9C31BB #BB3150

monochromatic

#185A2A #248B40 #31BB57 #56D379 #87E09F

Accessibility & contrast

On white

2.51

#31BB57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.38

#31BB57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31BB57

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31BB57	#FFFFFF	#000000	##000000
##31BB57	1.00	2.51	8.38	8.38
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.38	21.00	1.00	1.00
##000000	8.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDAA4E

Deuteranopia (green-blind)

#AD9F5F

Tritanopia (blue-blind)

#00B7A4

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #31bb57;
/* rgb */ color: rgb(49, 187, 87);
/* oklch */ color: oklch(69.8% 0.182 148.1);

Tailwind

colors: {
  custom: {
    50: '#7dd189',
    500: '#31bb57',
    950: '#000000',
  },
}

SCSS

$custom: #31bb57;
$custom-light: #7dd189;
$custom-dark: #000000;

JSON

{
  "hex": "#31bb57",
  "rgb": {
    "r": 49,
    "g": 187,
    "b": 87
  },
  "hsl": {
    "h": 136.522,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.6979,
    "c": 0.18211,
    "h": 148.1
  },
  "luminance": 0.36882
}

Semantic roles & 50–950 ramp

primary

#31BB57

secondary

#C97FB5

accent

#46B7E2

background

#F8FCF8

surface

#EFF9F0

border

#CAD2CB

text

#0B140C

muted

#7C827D

Preview Lab

Preview with #31BB57

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

Preview Lab → · Contrast checker → · Palette generator →