#31B951#31B951

#31B951 is a light, vivid green. Relative luminance 0.359; OKLCH L 69.2% C 0.185 H 147.1°. Best body text is #000000 at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#31B951
RGB	rgb(49, 185, 81)
HSL	hsl(134, 58%, 46%)
HSV	hsv(134, 74%, 73%)
CMYK	cmyk(73.5%, 0%, 56.2%, 27.5%)
CIE-LAB	lab(66.48, -57.61, 42.08)
CIE-LCH	lch(66.48, 71.34, 143.86°)
OKLab	oklab(69.18% -0.1551 0.1003)
OKLCH	oklch(69.18% 0.185 147.1)
XYZ	xyz(20.0993, 35.9427, 13.6613)
Luminance	0.3594 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B951 #B93199

analogous

#55B931 #31B951 #31B995

triadic

#31B951 #5131B9 #B95131

tetradic

#31B951 #3155B9 #B93199 #B99531

square

#31B951 #3155B9 #B93199 #B99531

split-complementary

#31B951 #9531B9 #B93155

monochromatic

#175827 #24893C #31B951 #55D273 #86DF9B

Accessibility & contrast

On white

2.56

#31B951 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.19

#31B951 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B951

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B951	#FFFFFF	#000000	##000000
##31B951	1.00	2.56	8.19	8.19
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.19	21.00	1.00	1.00
##000000	8.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA847

Deuteranopia (green-blind)

#AC9D59

Tritanopia (blue-blind)

#00B5A2

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #31b951;
/* rgb */ color: rgb(49, 185, 81);
/* oklch */ color: oklch(69.2% 0.185 147.1);

Tailwind

colors: {
  custom: {
    50: '#7dcf85',
    500: '#31b951',
    950: '#000000',
  },
}

SCSS

$custom: #31b951;
$custom-light: #7dcf85;
$custom-dark: #000000;

JSON

{
  "hex": "#31b951",
  "rgb": {
    "r": 49,
    "g": 185,
    "b": 81
  },
  "hsl": {
    "h": 134.118,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.69178,
    "c": 0.18474,
    "h": 147.1
  },
  "luminance": 0.35945
}

Semantic roles & 50–950 ramp

primary

#31B951

secondary

#C87DB7

accent

#46BDE1

background

#F8FCF8

surface

#EFF9EF

border

#CAD2CA

text

#0B140B

muted

#7C827C

Preview Lab

Preview with #31B951

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

Preview Lab → · Contrast checker → · Palette generator →