#31BF5B#31BF5B

#31BF5B is a light, vivid green. Relative luminance 0.387; OKLCH L 70.9% C 0.184 H 148.6°. Best body text is #000000 at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#31BF5B
RGB	rgb(49, 191, 91)
HSL	hsl(138, 59%, 47%)
HSV	hsv(138, 74%, 75%)
CMYK	cmyk(74.3%, 0%, 52.4%, 25.1%)
CIE-LAB	lab(68.51, -58.28, 39.70)
CIE-LCH	lch(68.51, 70.52, 145.73°)
OKLab	oklab(70.9% -0.1567 0.0957)
OKLCH	oklch(70.9% 0.184 148.6)
XYZ	xyz(21.7840, 38.6674, 16.2110)
Luminance	0.3867 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31BF5B #BF3195

analogous

#4EBF31 #31BF5B #31BFA2

triadic

#31BF5B #5B31BF #BF5B31

tetradic

#31BF5B #314EBF #BF3195 #BFA231

square

#31BF5B #314EBF #BF3195 #BFA231

split-complementary

#31BF5B #A231BF #BF314E

monochromatic

#185E2D #258E44 #31BF5B #59D47D #8AE1A3

Accessibility & contrast

On white

2.40

#31BF5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.73

#31BF5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31BF5B

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31BF5B	#FFFFFF	#000000	##000000
##31BF5B	1.00	2.40	8.73	8.73
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.73	21.00	1.00	1.00
##000000	8.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AE52

Deuteranopia (green-blind)

#B0A362

Tritanopia (blue-blind)

#00BBA8

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #31bf5b;
/* rgb */ color: rgb(49, 191, 91);
/* oklch */ color: oklch(70.9% 0.184 148.6);

Tailwind

colors: {
  custom: {
    50: '#7ed38b',
    500: '#31bf5b',
    950: '#000000',
  },
}

SCSS

$custom: #31bf5b;
$custom-light: #7ed38b;
$custom-dark: #000000;

JSON

{
  "hex": "#31bf5b",
  "rgb": {
    "r": 49,
    "g": 191,
    "b": 91
  },
  "hsl": {
    "h": 137.746,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.70901,
    "c": 0.18364,
    "h": 148.6
  },
  "luminance": 0.3867
}

Semantic roles & 50–950 ramp

primary

#31BF5B

secondary

#CB81B5

accent

#45B4E2

background

#F8FDF8

surface

#F0FAF0

border

#CBD3CB

text

#0B140C

muted

#7C837D

Preview Lab

Preview with #31BF5B

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

Preview Lab → · Contrast checker → · Palette generator →