#31B564#31B564

#31B564 is a light, vivid green. Relative luminance 0.346; OKLCH L 68.4% C 0.163 H 151.7°. Best body text is #000000 at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#31B564
RGB	rgb(49, 181, 100)
HSL	hsl(143, 57%, 45%)
HSV	hsv(143, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 44.8%, 29%)
CIE-LAB	lab(65.45, -53.24, 31.33)
CIE-LCH	lch(65.45, 61.78, 149.53°)
OKLab	oklab(68.41% -0.1433 0.0771)
OKLCH	oklch(68.41% 0.163 151.7)
XYZ	xyz(20.0890, 34.6185, 17.6774)
Luminance	0.3462 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B564 #B53182

analogous

#40B531 #31B564 #31B5A6

triadic

#31B564 #6431B5 #B56431

tetradic

#31B564 #3140B5 #B53182 #B5A631

square

#31B564 #3140B5 #B53182 #B5A631

split-complementary

#31B564 #A631B5 #B53140

monochromatic

#17552F #248549 #31B564 #53D083 #83DDA6

Accessibility & contrast

On white

2.65

#31B564 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.92

#31B564 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B564

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B564	#FFFFFF	#000000	##000000
##31B564	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)

#B6A65E

Deuteranopia (green-blind)

#A69A6A

Tritanopia (blue-blind)

#00B2A1

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #31b564;
/* rgb */ color: rgb(49, 181, 100);
/* oklch */ color: oklch(68.4% 0.163 151.7);

Tailwind

colors: {
  custom: {
    50: '#7ccc91',
    500: '#31b564',
    950: '#000000',
  },
}

SCSS

$custom: #31b564;
$custom-light: #7ccc91;
$custom-dark: #000000;

JSON

{
  "hex": "#31b564",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 100
  },
  "hsl": {
    "h": 143.182,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.68412,
    "c": 0.16273,
    "h": 151.7
  },
  "luminance": 0.34621
}

Semantic roles & 50–950 ramp

primary

#31B564

secondary

#C77BA9

accent

#47A5E1

background

#F8FCF9

surface

#EFF9F1

border

#CAD2CB

text

#0B130D

muted

#7C827E

Preview Lab

Preview with #31B564

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

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