#31AB40#31AB40

#31AB40 is a light, vivid green. Relative luminance 0.301; OKLCH L 65.2% C 0.181 H 144.9°. Best body text is #000000 at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#31AB40
RGB	rgb(49, 171, 64)
HSL	hsl(127, 55%, 43%)
HSV	hsv(127, 71%, 67%)
CMYK	cmyk(71.3%, 0%, 62.6%, 32.9%)
CIE-LAB	lab(61.78, -54.92, 44.52)
CIE-LCH	lch(61.78, 70.70, 140.97°)
OKLab	oklab(65.23% -0.1484 0.1042)
OKLCH	oklch(65.23% 0.181 144.9)
XYZ	xyz(16.7538, 30.1471, 9.7855)
Luminance	0.3015 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31AB40 #AB319C

analogous

#5FAB31 #31AB40 #31AB7D

triadic

#31AB40 #4031AB #AB4031

tetradic

#31AB40 #315FAB #AB319C #AB7D31

square

#31AB40 #315FAB #AB319C #AB7D31

split-complementary

#31AB40 #7D31AB #AB315F

monochromatic

#164C1C #237B2E #31AB40 #4DCC5D #7DDA88

Accessibility & contrast

On white

2.99

#31AB40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.03

#31AB40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31AB40

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31AB40	#FFFFFF	#000000	##000000
##31AB40	1.00	2.99	7.03	7.03
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.03	21.00	1.00	1.00
##000000	7.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AE9B34

Deuteranopia (green-blind)

#A09149

Tritanopia (blue-blind)

#00A794

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #31ab40;
/* rgb */ color: rgb(49, 171, 64);
/* oklch */ color: oklch(65.2% 0.181 144.9);

Tailwind

colors: {
  custom: {
    50: '#7bc579',
    500: '#31ab40',
    950: '#000000',
  },
}

SCSS

$custom: #31ab40;
$custom-light: #7bc579;
$custom-dark: #000000;

JSON

{
  "hex": "#31ab40",
  "rgb": {
    "r": 49,
    "g": 171,
    "b": 64
  },
  "hsl": {
    "h": 127.377,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.65231,
    "c": 0.18133,
    "h": 144.9
  },
  "luminance": 0.30149
}

Semantic roles & 50–950 ramp

primary

#31AB40

secondary

#C275B9

accent

#49CCDF

background

#F8FCF7

surface

#EFF8EE

border

#CAD1C9

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31AB40

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

Preview Lab → · Contrast checker → · Palette generator →