#31B563#31B563

#31B563 is a light, vivid green. Relative luminance 0.346; OKLCH L 68.4% C 0.164 H 151.4°. Best body text is #000000 at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#31B563
RGB	rgb(49, 181, 99)
HSL	hsl(143, 57%, 45%)
HSV	hsv(143, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 45.3%, 29%)
CIE-LAB	lab(65.44, -53.42, 31.82)
CIE-LCH	lch(65.44, 62.18, 149.22°)
OKLab	oklab(68.4% -0.1438 0.0782)
OKLCH	oklch(68.4% 0.164 151.4)
XYZ	xyz(20.0409, 34.5993, 17.4241)
Luminance	0.3460 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B563 #B53183

analogous

#41B531 #31B563 #31B5A5

triadic

#31B563 #6331B5 #B56331

tetradic

#31B563 #3141B5 #B53183 #B5A531

square

#31B563 #3141B5 #B53183 #B5A531

split-complementary

#31B563 #A531B5 #B53141

monochromatic

#17552E #248549 #31B563 #53D082 #83DDA5

Accessibility & contrast

On white

2.65

#31B563 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.92

#31B563 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B563

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B563	#FFFFFF	#000000	##000000
##31B563	1.00	2.65	7.92	7.92
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.92	21.00	1.00	1.00
##000000	7.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A65D

Deuteranopia (green-blind)

#A69A69

Tritanopia (blue-blind)

#00B2A1

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #31b563;
/* rgb */ color: rgb(49, 181, 99);
/* oklch */ color: oklch(68.4% 0.164 151.4);

Tailwind

colors: {
  custom: {
    50: '#7ccc90',
    500: '#31b563',
    950: '#000000',
  },
}

SCSS

$custom: #31b563;
$custom-light: #7ccc90;
$custom-dark: #000000;

JSON

{
  "hex": "#31b563",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 99
  },
  "hsl": {
    "h": 142.727,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.68395,
    "c": 0.16366,
    "h": 151.4
  },
  "luminance": 0.34602
}

Semantic roles & 50–950 ramp

primary

#31B563

secondary

#C77BAA

accent

#47A7E1

background

#F8FCF8

surface

#EFF9F0

border

#CAD2CB

text

#0B130D

muted

#7C827D

Preview Lab

Preview with #31B563

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

Preview Lab → · Contrast checker → · Palette generator →