#31B550#31B550

#31B550 is a light, vivid green. Relative luminance 0.343; OKLCH L 68.1% C 0.181 H 147.2°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#31B550
RGB	rgb(49, 181, 80)
HSL	hsl(134, 57%, 45%)
HSV	hsv(134, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 55.8%, 29%)
CIE-LAB	lab(65.18, -56.36, 41.01)
CIE-LCH	lch(65.18, 69.70, 143.96°)
OKLab	oklab(68.1% -0.1518 0.0979)
OKLCH	oklch(68.1% 0.181 147.2)
XYZ	xyz(19.2370, 34.2777, 13.1903)
Luminance	0.3428 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B550 #B53196

analogous

#54B531 #31B550 #31B592

triadic

#31B550 #5031B5 #B55031

tetradic

#31B550 #3154B5 #B53196 #B59231

square

#31B550 #3154B5 #B53196 #B59231

split-complementary

#31B550 #9231B5 #B53154

monochromatic

#175525 #24853B #31B550 #53D070 #83DD98

Accessibility & contrast

On white

2.67

#31B550 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.86

#31B550 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B550

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B550	#FFFFFF	#000000	##000000
##31B550	1.00	2.67	7.86	7.86
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.86	21.00	1.00	1.00
##000000	7.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A546

Deuteranopia (green-blind)

#A89A58

Tritanopia (blue-blind)

#00B19E

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b550;
/* rgb */ color: rgb(49, 181, 80);
/* oklch */ color: oklch(68.1% 0.181 147.2);

Tailwind

colors: {
  custom: {
    50: '#7ccc84',
    500: '#31b550',
    950: '#000000',
  },
}

SCSS

$custom: #31b550;
$custom-light: #7ccc84;
$custom-dark: #000000;

JSON

{
  "hex": "#31b550",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 80
  },
  "hsl": {
    "h": 134.091,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.68103,
    "c": 0.18061,
    "h": 147.2
  },
  "luminance": 0.3428
}

Semantic roles & 50–950 ramp

primary

#31B550

secondary

#C77BB5

accent

#47BDE1

background

#F8FCF8

surface

#EFF9EF

border

#CAD2CA

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #31B550

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

Preview Lab → · Contrast checker → · Palette generator →