#31AB51#31AB51

#31AB51 is a light, vivid green. Relative luminance 0.304; OKLCH L 65.5% C 0.167 H 148.1°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#31AB51
RGB	rgb(49, 171, 81)
HSL	hsl(136, 55%, 43%)
HSV	hsv(136, 71%, 67%)
CMYK	cmyk(71.3%, 0%, 52.6%, 32.9%)
CIE-LAB	lab(61.97, -52.66, 36.63)
CIE-LCH	lch(61.97, 64.15, 145.17°)
OKLab	oklab(65.45% -0.1418 0.0883)
OKLCH	oklch(65.45% 0.167 148.1)
XYZ	xyz(17.3134, 30.3709, 12.7327)
Luminance	0.3037 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31AB51 #AB318B

analogous

#4EAB31 #31AB51 #31AB8E

triadic

#31AB51 #5131AB #AB5131

tetradic

#31AB51 #314EAB #AB318B #AB8E31

square

#31AB51 #314EAB #AB318B #AB8E31

split-complementary

#31AB51 #8E31AB #AB314E

monochromatic

#164C24 #237B3A #31AB51 #4DCC6E #7DDA95

Accessibility & contrast

On white

2.97

#31AB51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.07

#31AB51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31AB51

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31AB51	#FFFFFF	#000000	##000000
##31AB51	1.00	2.97	7.07	7.07
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.07	21.00	1.00	1.00
##000000	7.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AD9C49

Deuteranopia (green-blind)

#9E9258

Tritanopia (blue-blind)

#00A796

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #31ab51;
/* rgb */ color: rgb(49, 171, 81);
/* oklch */ color: oklch(65.5% 0.167 148.1);

Tailwind

colors: {
  custom: {
    50: '#7ac584',
    500: '#31ab51',
    950: '#000000',
  },
}

SCSS

$custom: #31ab51;
$custom-light: #7ac584;
$custom-dark: #000000;

JSON

{
  "hex": "#31ab51",
  "rgb": {
    "r": 49,
    "g": 171,
    "b": 81
  },
  "hsl": {
    "h": 135.738,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.65452,
    "c": 0.16704,
    "h": 148.1
  },
  "luminance": 0.30373
}

Semantic roles & 50–950 ramp

primary

#31AB51

secondary

#C275AE

accent

#49B7DF

background

#F8FCF8

surface

#EFF8EF

border

#CAD1CA

text

#0A130B

muted

#7C827C

Preview Lab

Preview with #31AB51

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

Preview Lab → · Contrast checker → · Palette generator →