#31BB37#31BB37

#31BB37 is a light, highly saturated green. Relative luminance 0.365; OKLCH L 69.4% C 0.206 H 143.5°. Best body text is #000000 at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#31BB37
RGB	rgb(49, 187, 55)
HSL	hsl(123, 58%, 46%)
HSV	hsv(123, 74%, 73%)
CMYK	cmyk(73.8%, 0%, 70.6%, 26.7%)
CIE-LAB	lab(66.88, -61.19, 53.83)
CIE-LCH	lch(66.88, 81.50, 138.66°)
OKLab	oklab(69.43% -0.1658 0.1229)
OKLCH	oklch(69.43% 0.206 143.5)
XYZ	xyz(19.7253, 36.4672, 9.6130)
Luminance	0.3647 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31BB37 #BB31B5

analogous

#70BB31 #31BB37 #31BB7C

triadic

#31BB37 #3731BB #BB3731

tetradic

#31BB37 #3170BB #BB31B5 #BB7C31

square

#31BB37 #3170BB #BB31B5 #BB7C31

split-complementary

#31BB37 #7C31BB #BB3170

monochromatic

#185A1A #248B29 #31BB37 #56D35C #87E08B

Accessibility & contrast

On white

2.53

#31BB37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.29

#31BB37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31BB37

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31BB37	#FFFFFF	#000000	##000000
##31BB37	1.00	2.53	8.29	8.29
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.29	21.00	1.00	1.00
##000000	8.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA922

Deuteranopia (green-blind)

#AF9F44

Tritanopia (blue-blind)

#00B6A1

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #31bb37;
/* rgb */ color: rgb(49, 187, 55);
/* oklch */ color: oklch(69.4% 0.206 143.5);

Tailwind

colors: {
  custom: {
    50: '#7fd175',
    500: '#31bb37',
    950: '#000000',
  },
}

SCSS

$custom: #31bb37;
$custom-light: #7fd175;
$custom-dark: #000000;

JSON

{
  "hex": "#31bb37",
  "rgb": {
    "r": 49,
    "g": 187,
    "b": 55
  },
  "hsl": {
    "h": 122.609,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.69431,
    "c": 0.20641,
    "h": 143.5
  },
  "luminance": 0.36469
}

Semantic roles & 50–950 ramp

primary

#31BB37

secondary

#C97FC6

accent

#46DBE2

background

#F8FDF7

surface

#F0FAED

border

#CBD3C8

text

#0C1409

muted

#7D837B

Preview Lab

Preview with #31BB37

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

Preview Lab → · Contrast checker → · Palette generator →