#31B63B#31B63B

#31B63B is a light, vivid green. Relative luminance 0.344; OKLCH L 68.1% C 0.198 H 144.0°. Best body text is #000000 at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#31B63B
RGB	rgb(49, 182, 59)
HSL	hsl(125, 58%, 45%)
HSV	hsv(125, 73%, 71%)
CMYK	cmyk(73.1%, 0%, 67.6%, 28.6%)
CIE-LAB	lab(65.30, -59.18, 50.56)
CIE-LCH	lch(65.30, 77.84, 139.49°)
OKLab	oklab(68.13% -0.1602 0.1165)
OKLCH	oklch(68.13% 0.198 144)
XYZ	xyz(18.7828, 34.4225, 9.7911)
Luminance	0.3443 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B63B #B631AC

analogous

#6AB631 #31B63B #31B67D

triadic

#31B63B #3B31B6 #B63B31

tetradic

#31B63B #316AB6 #B631AC #B67D31

square

#31B63B #316AB6 #B631AC #B67D31

split-complementary

#31B63B #7D31B6 #B6316A

monochromatic

#17561C #24862B #31B63B #53D15D #84DE8A

Accessibility & contrast

On white

2.66

#31B63B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.89

#31B63B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B63B

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B63B	#FFFFFF	#000000	##000000
##31B63B	1.00	2.66	7.89	7.89
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.89	21.00	1.00	1.00
##000000	7.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA52A

Deuteranopia (green-blind)

#AA9A46

Tritanopia (blue-blind)

#00B19D

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b63b;
/* rgb */ color: rgb(49, 182, 59);
/* oklch */ color: oklch(68.1% 0.198 144.0);

Tailwind

colors: {
  custom: {
    50: '#7dcd77',
    500: '#31b63b',
    950: '#000000',
  },
}

SCSS

$custom: #31b63b;
$custom-light: #7dcd77;
$custom-dark: #000000;

JSON

{
  "hex": "#31b63b",
  "rgb": {
    "r": 49,
    "g": 182,
    "b": 59
  },
  "hsl": {
    "h": 124.511,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.68131,
    "c": 0.19807,
    "h": 144
  },
  "luminance": 0.34425
}

Semantic roles & 50–950 ramp

primary

#31B63B

secondary

#C77CC1

accent

#47D5E1

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1409

muted

#7C827B

Preview Lab

Preview with #31B63B

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

Preview Lab → · Contrast checker → · Palette generator →