#31B253#31B253

#31B253 is a light, vivid green. Relative luminance 0.331; OKLCH L 67.3% C 0.174 H 148.0°. Best body text is #000000 at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#31B253
RGB	rgb(49, 178, 83)
HSL	hsl(136, 57%, 45%)
HSV	hsv(136, 72%, 70%)
CMYK	cmyk(72.5%, 0%, 53.4%, 30.2%)
CIE-LAB	lab(64.25, -54.88, 38.43)
CIE-LCH	lch(64.25, 66.99, 145.00°)
OKLab	oklab(67.35% -0.1477 0.0924)
OKLCH	oklch(67.35% 0.174 148)
XYZ	xyz(18.7469, 33.1162, 13.5860)
Luminance	0.3312 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B253 #B23190

analogous

#50B231 #31B253 #31B294

triadic

#31B253 #5331B2 #B25331

tetradic

#31B253 #3150B2 #B23190 #B29431

square

#31B253 #3150B2 #B23190 #B29431

split-complementary

#31B253 #9431B2 #B23150

monochromatic

#175226 #24823D #31B253 #51CF72 #81DC99

Accessibility & contrast

On white

2.75

#31B253 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.62

#31B253 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B253

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B253	#FFFFFF	#000000	##000000
##31B253	1.00	2.75	7.62	7.62
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.62	21.00	1.00	1.00
##000000	7.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A24B

Deuteranopia (green-blind)

#A5985A

Tritanopia (blue-blind)

#00AE9C

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b253;
/* rgb */ color: rgb(49, 178, 83);
/* oklch */ color: oklch(67.3% 0.174 148.0);

Tailwind

colors: {
  custom: {
    50: '#7cca85',
    500: '#31b253',
    950: '#000000',
  },
}

SCSS

$custom: #31b253;
$custom-light: #7cca85;
$custom-dark: #000000;

JSON

{
  "hex": "#31b253",
  "rgb": {
    "r": 49,
    "g": 178,
    "b": 83
  },
  "hsl": {
    "h": 135.814,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.67347,
    "c": 0.17424,
    "h": 148
  },
  "luminance": 0.33118
}

Semantic roles & 50–950 ramp

primary

#31B253

secondary

#C579B1

accent

#48B8E0

background

#F8FCF8

surface

#EFF8EF

border

#CAD1CA

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #31B253

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

Preview Lab → · Contrast checker → · Palette generator →