#31B263#31B263

#31B263 is a light, vivid green. Relative luminance 0.334; OKLCH L 67.6% C 0.160 H 151.8°. Best body text is #000000 at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#31B263
RGB	rgb(49, 178, 99)
HSL	hsl(143, 57%, 45%)
HSV	hsv(143, 72%, 70%)
CMYK	cmyk(72.5%, 0%, 44.4%, 30.2%)
CIE-LAB	lab(64.48, -52.30, 30.59)
CIE-LCH	lch(64.48, 60.59, 149.68°)
OKLab	oklab(67.6% -0.1408 0.0754)
OKLCH	oklch(67.6% 0.16 151.8)
XYZ	xyz(19.4375, 33.3924, 17.2229)
Luminance	0.3340 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B263 #B23180

analogous

#40B231 #31B263 #31B2A4

triadic

#31B263 #6331B2 #B26331

tetradic

#31B263 #3140B2 #B23180 #B2A431

square

#31B263 #3140B2 #B23180 #B2A431

split-complementary

#31B263 #A431B2 #B23140

monochromatic

#17522E #248248 #31B263 #51CF82 #81DCA4

Accessibility & contrast

On white

2.73

#31B263 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.68

#31B263 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B263

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B263	#FFFFFF	#000000	##000000
##31B263	1.00	2.73	7.68	7.68
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.68	21.00	1.00	1.00
##000000	7.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A35D

Deuteranopia (green-blind)

#A39868

Tritanopia (blue-blind)

#00AF9F

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b263;
/* rgb */ color: rgb(49, 178, 99);
/* oklch */ color: oklch(67.6% 0.160 151.8);

Tailwind

colors: {
  custom: {
    50: '#7bca90',
    500: '#31b263',
    950: '#000000',
  },
}

SCSS

$custom: #31b263;
$custom-light: #7bca90;
$custom-dark: #000000;

JSON

{
  "hex": "#31b263",
  "rgb": {
    "r": 49,
    "g": 178,
    "b": 99
  },
  "hsl": {
    "h": 143.256,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.67604,
    "c": 0.15972,
    "h": 151.8
  },
  "luminance": 0.33395
}

Semantic roles & 50–950 ramp

primary

#31B263

secondary

#C579A8

accent

#48A5E0

background

#F8FCF8

surface

#EFF8F0

border

#CAD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #31B263

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

Preview Lab → · Contrast checker → · Palette generator →