#31C178#31C178

#31C178 is a light, vivid green. Relative luminance 0.401; OKLCH L 71.9% C 0.160 H 155.7°. Best body text is #000000 at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#31C178
RGB	rgb(49, 193, 120)
HSL	hsl(150, 60%, 47%)
HSV	hsv(150, 75%, 76%)
CMYK	cmyk(74.6%, 0%, 37.8%, 24.3%)
CIE-LAB	lab(69.57, -54.04, 26.29)
CIE-LCH	lch(69.57, 60.09, 154.06°)
OKLab	oklab(71.92% -0.1459 0.0658)
OKLCH	oklch(71.92% 0.16 155.7)
XYZ	xyz(23.7245, 40.1462, 24.2643)
Luminance	0.4015 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31C178 #C1317A

analogous

#32C131 #31C178 #31C1C0

triadic

#31C178 #7831C1 #C17831

tetradic

#31C178 #3132C1 #C1317A #C1C031

square

#31C178 #3132C1 #C1317A #C1C031

split-complementary

#31C178 #C031C1 #C13132

monochromatic

#185F3B #25905A #31C178 #5AD597 #8BE2B6

Accessibility & contrast

On white

2.33

#31C178 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.03

#31C178 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31C178

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31C178	#FFFFFF	#000000	##000000
##31C178	1.00	2.33	9.03	9.03
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.03	21.00	1.00	1.00
##000000	9.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0B173

Deuteranopia (green-blind)

#AFA57D

Tritanopia (blue-blind)

#00BFAE

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #31c178;
/* rgb */ color: rgb(49, 193, 120);
/* oklch */ color: oklch(71.9% 0.160 155.7);

Tailwind

colors: {
  custom: {
    50: '#7ed59f',
    500: '#31c178',
    950: '#000000',
  },
}

SCSS

$custom: #31c178;
$custom-light: #7ed59f;
$custom-dark: #000000;

JSON

{
  "hex": "#31c178",
  "rgb": {
    "r": 49,
    "g": 193,
    "b": 120
  },
  "hsl": {
    "h": 149.583,
    "s": 59.504,
    "l": 47.451
  },
  "oklch": {
    "l": 0.71921,
    "c": 0.16003,
    "h": 155.7
  },
  "luminance": 0.40149
}

Semantic roles & 50–950 ramp

primary

#31C178

secondary

#CC82A7

accent

#4595E3

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0B140E

muted

#7C837E

Preview Lab

Preview with #31C178

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

Preview Lab → · Contrast checker → · Palette generator →