#31B159#31B159

#31B159 is a light, vivid green. Relative luminance 0.328; OKLCH L 67.2% C 0.168 H 149.4°. Best body text is #000000 at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#31B159
RGB	rgb(49, 177, 89)
HSL	hsl(139, 57%, 44%)
HSV	hsv(139, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 49.7%, 30.6%)
CIE-LAB	lab(64.01, -53.60, 35.13)
CIE-LCH	lch(64.01, 64.09, 146.76°)
OKLab	oklab(67.17% -0.1442 0.0854)
OKLCH	oklch(67.17% 0.168 149.4)
XYZ	xyz(18.7904, 32.8164, 14.7932)
Luminance	0.3282 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B159 #B13189

analogous

#49B131 #31B159 #31B199

triadic

#31B159 #5931B1 #B15931

tetradic

#31B159 #3149B1 #B13189 #B19931

square

#31B159 #3149B1 #B13189 #B19931

split-complementary

#31B159 #9931B1 #B13149

monochromatic

#165129 #248141 #31B159 #51CF78 #80DC9D

Accessibility & contrast

On white

2.78

#31B159 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.56

#31B159 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B159

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B159	#FFFFFF	#000000	##000000
##31B159	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)

#B2A252

Deuteranopia (green-blind)

#A3975F

Tritanopia (blue-blind)

#00AE9C

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #31b159;
/* rgb */ color: rgb(49, 177, 89);
/* oklch */ color: oklch(67.2% 0.168 149.4);

Tailwind

colors: {
  custom: {
    50: '#7bc989',
    500: '#31b159',
    950: '#000000',
  },
}

SCSS

$custom: #31b159;
$custom-light: #7bc989;
$custom-dark: #000000;

JSON

{
  "hex": "#31b159",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 89
  },
  "hsl": {
    "h": 138.75,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.67172,
    "c": 0.16761,
    "h": 149.4
  },
  "luminance": 0.32819
}

Semantic roles & 50–950 ramp

primary

#31B159

secondary

#C579AD

accent

#48B0E0

background

#F8FCF8

surface

#EFF8F0

border

#CAD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #31B159

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

Preview Lab → · Contrast checker → · Palette generator →