#31B158#31B158

#31B158 is a light, vivid green. Relative luminance 0.328; OKLCH L 67.2% C 0.169 H 149.2°. Best body text is #000000 at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#31B158
RGB	rgb(49, 177, 88)
HSL	hsl(138, 57%, 44%)
HSV	hsv(138, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 50.3%, 30.6%)
CIE-LAB	lab(64.00, -53.76, 35.62)
CIE-LCH	lch(64.00, 64.49, 146.47°)
OKLab	oklab(67.16% -0.1447 0.0864)
OKLCH	oklch(67.16% 0.169 149.2)
XYZ	xyz(18.7487, 32.7997, 14.5735)
Luminance	0.3280 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B158 #B1318A

analogous

#4AB131 #31B158 #31B198

triadic

#31B158 #5831B1 #B15831

tetradic

#31B158 #314AB1 #B1318A #B19831

square

#31B158 #314AB1 #B1318A #B19831

split-complementary

#31B158 #9831B1 #B1314A

monochromatic

#165128 #248140 #31B158 #51CF77 #80DC9C

Accessibility & contrast

On white

2.78

#31B158 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.56

#31B158 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B158

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B158	#FFFFFF	#000000	##000000
##31B158	1.00	2.78	7.56	7.56
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.56	21.00	1.00	1.00
##000000	7.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A251

Deuteranopia (green-blind)

#A3975E

Tritanopia (blue-blind)

#00AE9C

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #31b158;
/* rgb */ color: rgb(49, 177, 88);
/* oklch */ color: oklch(67.2% 0.169 149.2);

Tailwind

colors: {
  custom: {
    50: '#7bc989',
    500: '#31b158',
    950: '#000000',
  },
}

SCSS

$custom: #31b158;
$custom-light: #7bc989;
$custom-dark: #000000;

JSON

{
  "hex": "#31b158",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 88
  },
  "hsl": {
    "h": 138.281,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.67156,
    "c": 0.16851,
    "h": 149.2
  },
  "luminance": 0.32802
}

Semantic roles & 50–950 ramp

primary

#31B158

secondary

#C579AE

accent

#48B2E0

background

#F8FCF8

surface

#EFF8F0

border

#CAD1CB

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #31B158

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

Preview Lab → · Contrast checker → · Palette generator →