#31B258#31B258

#31B258 is a light, vivid green. Relative luminance 0.332; OKLCH L 67.4% C 0.170 H 149.1°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#31B258
RGB	rgb(49, 178, 88)
HSL	hsl(138, 57%, 45%)
HSV	hsv(138, 72%, 70%)
CMYK	cmyk(72.5%, 0%, 50.6%, 30.2%)
CIE-LAB	lab(64.32, -54.12, 36.02)
CIE-LCH	lch(64.32, 65.01, 146.35°)
OKLab	oklab(67.42% -0.1456 0.0873)
OKLCH	oklch(67.42% 0.17 149.1)
XYZ	xyz(18.9470, 33.1962, 14.6396)
Luminance	0.3320 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B258 #B2318B

analogous

#4AB231 #31B258 #31B299

triadic

#31B258 #5831B2 #B25831

tetradic

#31B258 #314AB2 #B2318B #B29931

square

#31B258 #314AB2 #B2318B #B29931

split-complementary

#31B258 #9931B2 #B2314A

monochromatic

#175229 #248240 #31B258 #51CF77 #81DC9D

Accessibility & contrast

On white

2.75

#31B258 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.64

#31B258 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B258

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B258	#FFFFFF	#000000	##000000
##31B258	1.00	2.75	7.64	7.64
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.64	21.00	1.00	1.00
##000000	7.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A250

Deuteranopia (green-blind)

#A4985F

Tritanopia (blue-blind)

#00AF9D

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b258;
/* rgb */ color: rgb(49, 178, 88);
/* oklch */ color: oklch(67.4% 0.170 149.1);

Tailwind

colors: {
  custom: {
    50: '#7bca89',
    500: '#31b258',
    950: '#000000',
  },
}

SCSS

$custom: #31b258;
$custom-light: #7bca89;
$custom-dark: #000000;

JSON

{
  "hex": "#31b258",
  "rgb": {
    "r": 49,
    "g": 178,
    "b": 88
  },
  "hsl": {
    "h": 138.14,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.67422,
    "c": 0.1698,
    "h": 149.1
  },
  "luminance": 0.33198
}

Semantic roles & 50–950 ramp

primary

#31B258

secondary

#C579AE

accent

#48B2E0

background

#F8FCF8

surface

#EFF8F0

border

#CAD1CB

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #31B258

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

Preview Lab → · Contrast checker → · Palette generator →