#31C578#31C578

#31C578 is a light, vivid green. Relative luminance 0.419; OKLCH L 73.0% C 0.165 H 155.0°. Best body text is #000000 at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#31C578
RGB	rgb(49, 197, 120)
HSL	hsl(149, 60%, 48%)
HSV	hsv(149, 75%, 77%)
CMYK	cmyk(75.1%, 0%, 39.1%, 22.7%)
CIE-LAB	lab(70.83, -55.53, 27.95)
CIE-LCH	lch(70.83, 62.17, 153.28°)
OKLab	oklab(72.96% -0.1498 0.0697)
OKLCH	oklch(72.96% 0.165 155)
XYZ	xyz(24.6207, 41.9386, 24.5630)
Luminance	0.4194 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31C578 #C5317E

analogous

#34C531 #31C578 #31C5C2

triadic

#31C578 #7831C5 #C57831

tetradic

#31C578 #3134C5 #C5317E #C5C231

square

#31C578 #3134C5 #C5317E #C5C231

split-complementary

#31C578 #C231C5 #C53134

monochromatic

#19633C #25945A #31C578 #5DD797 #8EE3B6

Accessibility & contrast

On white

2.24

#31C578 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.39

#31C578 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31C578

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31C578	#FFFFFF	#000000	##000000
##31C578	1.00	2.24	9.39	9.39
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.39	21.00	1.00	1.00
##000000	9.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4B573

Deuteranopia (green-blind)

#B3A87D

Tritanopia (blue-blind)

#00C3B2

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #31c578;
/* rgb */ color: rgb(49, 197, 120);
/* oklch */ color: oklch(73.0% 0.165 155.0);

Tailwind

colors: {
  custom: {
    50: '#7fd89f',
    500: '#31c578',
    950: '#000000',
  },
}

SCSS

$custom: #31c578;
$custom-light: #7fd89f;
$custom-dark: #000000;

JSON

{
  "hex": "#31c578",
  "rgb": {
    "r": 49,
    "g": 197,
    "b": 120
  },
  "hsl": {
    "h": 148.784,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.72957,
    "c": 0.16521,
    "h": 155
  },
  "luminance": 0.41942
}

Semantic roles & 50–950 ramp

primary

#31C578

secondary

#CD85AA

accent

#4497E3

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C150E

muted

#7D837E

Preview Lab

Preview with #31C578

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

Preview Lab → · Contrast checker → · Palette generator →