#31C579#31C579

#31C579 is a light, vivid green. Relative luminance 0.420; OKLCH L 73.0% C 0.164 H 155.3°. Best body text is #000000 at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#31C579
RGB	rgb(49, 197, 121)
HSL	hsl(149, 60%, 48%)
HSV	hsv(149, 75%, 77%)
CMYK	cmyk(75.1%, 0%, 38.6%, 22.7%)
CIE-LAB	lab(70.85, -55.34, 27.45)
CIE-LCH	lch(70.85, 61.78, 153.61°)
OKLab	oklab(72.98% -0.1493 0.0686)
OKLCH	oklch(72.98% 0.164 155.3)
XYZ	xyz(24.6817, 41.9630, 24.8843)
Luminance	0.4197 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31C579 #C5317D

analogous

#33C531 #31C579 #31C5C3

triadic

#31C579 #7931C5 #C57931

tetradic

#31C579 #3133C5 #C5317D #C5C331

square

#31C579 #3133C5 #C5317D #C5C331

split-complementary

#31C579 #C331C5 #C53133

monochromatic

#19633D #25945B #31C579 #5DD798 #8EE3B7

Accessibility & contrast

On white

2.24

#31C579 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.39

#31C579 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31C579

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31C579	#FFFFFF	#000000	##000000
##31C579	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)

#C4B574

Deuteranopia (green-blind)

#B3A87E

Tritanopia (blue-blind)

#00C3B2

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #31c579;
/* rgb */ color: rgb(49, 197, 121);
/* oklch */ color: oklch(73.0% 0.164 155.3);

Tailwind

colors: {
  custom: {
    50: '#7fd8a0',
    500: '#31c579',
    950: '#000000',
  },
}

SCSS

$custom: #31c579;
$custom-light: #7fd8a0;
$custom-dark: #000000;

JSON

{
  "hex": "#31c579",
  "rgb": {
    "r": 49,
    "g": 197,
    "b": 121
  },
  "hsl": {
    "h": 149.189,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.72976,
    "c": 0.1643,
    "h": 155.3
  },
  "luminance": 0.41966
}

Semantic roles & 50–950 ramp

primary

#31C579

secondary

#CD85AA

accent

#4496E3

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C150F

muted

#7D837E

Preview Lab

Preview with #31C579

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

Preview Lab → · Contrast checker → · Palette generator →