#31BB73#31BB73

#31BB73 is a light, vivid green. Relative luminance 0.374; OKLCH L 70.3% C 0.157 H 155.2°. Best body text is #000000 at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#31BB73
RGB	rgb(49, 187, 115)
HSL	hsl(149, 58%, 46%)
HSV	hsv(149, 74%, 73%)
CMYK	cmyk(73.8%, 0%, 38.5%, 26.7%)
CIE-LAB	lab(67.60, -52.74, 26.29)
CIE-LCH	lch(67.60, 58.93, 153.51°)
OKLab	oklab(70.26% -0.1424 0.0657)
OKLCH	oklch(70.26% 0.157 155.2)
XYZ	xyz(22.1294, 37.4288, 22.2745)
Luminance	0.3743 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31BB73 #BB3179

analogous

#34BB31 #31BB73 #31BBB8

triadic

#31BB73 #7331BB #BB7331

tetradic

#31BB73 #3134BB #BB3179 #BBB831

square

#31BB73 #3134BB #BB3179 #BBB831

split-complementary

#31BB73 #B831BB #BB3134

monochromatic

#185A37 #248B55 #31BB73 #56D392 #87E0B1

Accessibility & contrast

On white

2.47

#31BB73 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.49

#31BB73 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31BB73

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31BB73	#FFFFFF	#000000	##000000
##31BB73	1.00	2.47	8.49	8.49
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.49	21.00	1.00	1.00
##000000	8.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAAC6E

Deuteranopia (green-blind)

#AAA078

Tritanopia (blue-blind)

#00B9A9

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #31bb73;
/* rgb */ color: rgb(49, 187, 115);
/* oklch */ color: oklch(70.3% 0.157 155.2);

Tailwind

colors: {
  custom: {
    50: '#7dd09c',
    500: '#31bb73',
    950: '#000000',
  },
}

SCSS

$custom: #31bb73;
$custom-light: #7dd09c;
$custom-dark: #000000;

JSON

{
  "hex": "#31bb73",
  "rgb": {
    "r": 49,
    "g": 187,
    "b": 115
  },
  "hsl": {
    "h": 148.696,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.70264,
    "c": 0.15678,
    "h": 155.2
  },
  "luminance": 0.37431
}

Semantic roles & 50–950 ramp

primary

#31BB73

secondary

#C97FA6

accent

#4697E2

background

#F8FCF9

surface

#EFF9F2

border

#CAD2CC

text

#0B140E

muted

#7C827E

Preview Lab

Preview with #31BB73

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

Preview Lab → · Contrast checker → · Palette generator →