#31B655#31B655

#31B655 is a light, vivid green. Relative luminance 0.348; OKLCH L 68.4% C 0.178 H 148.1°. Best body text is #000000 at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#31B655
RGB	rgb(49, 182, 85)
HSL	hsl(136, 58%, 45%)
HSV	hsv(136, 73%, 71%)
CMYK	cmyk(73.1%, 0%, 53.3%, 28.6%)
CIE-LAB	lab(65.56, -56.00, 39.04)
CIE-LCH	lch(65.56, 68.27, 145.12°)
OKLab	oklab(68.44% -0.1507 0.0939)
OKLCH	oklch(68.44% 0.178 148.1)
XYZ	xyz(19.6328, 34.7625, 14.2677)
Luminance	0.3477 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B655 #B63192

analogous

#4FB631 #31B655 #31B698

triadic

#31B655 #5531B6 #B65531

tetradic

#31B655 #314FB6 #B63192 #B69831

square

#31B655 #314FB6 #B63192 #B69831

split-complementary

#31B655 #9831B6 #B6314F

monochromatic

#175628 #24863E #31B655 #53D175 #84DE9C

Accessibility & contrast

On white

2.64

#31B655 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.95

#31B655 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B655

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B655	#FFFFFF	#000000	##000000
##31B655	1.00	2.64	7.95	7.95
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.95	21.00	1.00	1.00
##000000	7.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A64C

Deuteranopia (green-blind)

#A89B5C

Tritanopia (blue-blind)

#00B2A0

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #31b655;
/* rgb */ color: rgb(49, 182, 85);
/* oklch */ color: oklch(68.4% 0.178 148.1);

Tailwind

colors: {
  custom: {
    50: '#7ccd87',
    500: '#31b655',
    950: '#000000',
  },
}

SCSS

$custom: #31b655;
$custom-light: #7ccd87;
$custom-dark: #000000;

JSON

{
  "hex": "#31b655",
  "rgb": {
    "r": 49,
    "g": 182,
    "b": 85
  },
  "hsl": {
    "h": 136.241,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.68438,
    "c": 0.17756,
    "h": 148.1
  },
  "luminance": 0.34765
}

Semantic roles & 50–950 ramp

primary

#31B655

secondary

#C77CB3

accent

#47B7E1

background

#F8FCF8

surface

#EFF9F0

border

#CAD2CB

text

#0B140B

muted

#7C827C

Preview Lab

Preview with #31B655

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

Preview Lab → · Contrast checker → · Palette generator →