#31B53A#31B53A

#31B53A is a light, vivid green. Relative luminance 0.340; OKLCH L 67.9% C 0.198 H 143.9°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#31B53A
RGB	rgb(49, 181, 58)
HSL	hsl(124, 57%, 45%)
HSV	hsv(124, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 68%, 29%)
CIE-LAB	lab(64.97, -58.95, 50.62)
CIE-LCH	lch(64.97, 77.70, 139.35°)
OKLab	oklab(67.85% -0.1596 0.1165)
OKLCH	oklch(67.85% 0.198 143.9)
XYZ	xyz(18.5530, 34.0041, 9.5878)
Luminance	0.3401 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B53A #B531AC

analogous

#6AB531 #31B53A #31B57C

triadic

#31B53A #3A31B5 #B53A31

tetradic

#31B53A #316AB5 #B531AC #B57C31

square

#31B53A #316AB5 #B531AC #B57C31

split-complementary

#31B53A #7C31B5 #B5316A

monochromatic

#17551B #24852B #31B53A #53D05B #83DD89

Accessibility & contrast

On white

2.69

#31B53A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#31B53A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B53A

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B53A	#FFFFFF	#000000	##000000
##31B53A	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A429

Deuteranopia (green-blind)

#A99A46

Tritanopia (blue-blind)

#00B09C

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b53a;
/* rgb */ color: rgb(49, 181, 58);
/* oklch */ color: oklch(67.9% 0.198 143.9);

Tailwind

colors: {
  custom: {
    50: '#7dcc76',
    500: '#31b53a',
    950: '#000000',
  },
}

SCSS

$custom: #31b53a;
$custom-light: #7dcc76;
$custom-dark: #000000;

JSON

{
  "hex": "#31b53a",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 58
  },
  "hsl": {
    "h": 124.091,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.67854,
    "c": 0.1976,
    "h": 143.9
  },
  "luminance": 0.34006
}

Semantic roles & 50–950 ramp

primary

#31B53A

secondary

#C77BC2

accent

#47D6E1

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1409

muted

#7C827B

Preview Lab

Preview with #31B53A

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

Preview Lab → · Contrast checker → · Palette generator →