#31BB55#31BB55

#31BB55 is a light, vivid green. Relative luminance 0.368; OKLCH L 69.8% C 0.184 H 147.7°. Best body text is #000000 at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#31BB55
RGB	rgb(49, 187, 85)
HSL	hsl(136, 58%, 46%)
HSV	hsv(136, 74%, 73%)
CMYK	cmyk(73.8%, 0%, 54.5%, 26.7%)
CIE-LAB	lab(67.16, -57.75, 40.98)
CIE-LCH	lch(67.16, 70.82, 144.64°)
OKLab	oklab(69.76% -0.1554 0.0982)
OKLCH	oklch(69.76% 0.184 147.7)
XYZ	xyz(20.6751, 36.8471, 14.6151)
Luminance	0.3685 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31BB55 #BB3197

analogous

#52BB31 #31BB55 #31BB9A

triadic

#31BB55 #5531BB #BB5531

tetradic

#31BB55 #3152BB #BB3197 #BB9A31

square

#31BB55 #3152BB #BB3197 #BB9A31

split-complementary

#31BB55 #9A31BB #BB3152

monochromatic

#185A29 #248B3F #31BB55 #56D377 #87E09E

Accessibility & contrast

On white

2.51

#31BB55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.37

#31BB55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31BB55

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31BB55	#FFFFFF	#000000	##000000
##31BB55	1.00	2.51	8.37	8.37
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.37	21.00	1.00	1.00
##000000	8.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDAA4C

Deuteranopia (green-blind)

#AD9F5D

Tritanopia (blue-blind)

#00B7A4

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #31bb55;
/* rgb */ color: rgb(49, 187, 85);
/* oklch */ color: oklch(69.8% 0.184 147.7);

Tailwind

colors: {
  custom: {
    50: '#7ed187',
    500: '#31bb55',
    950: '#000000',
  },
}

SCSS

$custom: #31bb55;
$custom-light: #7ed187;
$custom-dark: #000000;

JSON

{
  "hex": "#31bb55",
  "rgb": {
    "r": 49,
    "g": 187,
    "b": 85
  },
  "hsl": {
    "h": 135.652,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.69762,
    "c": 0.18383,
    "h": 147.7
  },
  "luminance": 0.36849
}

Semantic roles & 50–950 ramp

primary

#31BB55

secondary

#C97FB6

accent

#46B9E2

background

#F8FCF8

surface

#EFF9F0

border

#CAD2CB

text

#0B140B

muted

#7C827C

Preview Lab

Preview with #31BB55

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

Preview Lab → · Contrast checker → · Palette generator →