#31B637#31B637

#31B637 is a light, highly saturated green. Relative luminance 0.344; OKLCH L 68.1% C 0.201 H 143.5°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#31B637
RGB	rgb(49, 182, 55)
HSL	hsl(123, 58%, 45%)
HSV	hsv(123, 73%, 71%)
CMYK	cmyk(73.1%, 0%, 69.8%, 28.6%)
CIE-LAB	lab(65.27, -59.56, 52.14)
CIE-LCH	lch(65.27, 79.16, 138.80°)
OKLab	oklab(68.1% -0.1614 0.1194)
OKLCH	oklch(68.1% 0.201 143.5)
XYZ	xyz(18.6830, 34.3826, 9.2656)
Luminance	0.3438 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B637 #B631B0

analogous

#6DB631 #31B637 #31B67A

triadic

#31B637 #3731B6 #B63731

tetradic

#31B637 #316DB6 #B631B0 #B67A31

square

#31B637 #316DB6 #B631B0 #B67A31

split-complementary

#31B637 #7A31B6 #B6316D

monochromatic

#17561A #248628 #31B637 #53D159 #84DE88

Accessibility & contrast

On white

2.67

#31B637 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#31B637 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B637

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B637	#FFFFFF	#000000	##000000
##31B637	1.00	2.67	7.88	7.88
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA524

Deuteranopia (green-blind)

#AB9A43

Tritanopia (blue-blind)

#00B19D

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b637;
/* rgb */ color: rgb(49, 182, 55);
/* oklch */ color: oklch(68.1% 0.201 143.5);

Tailwind

colors: {
  custom: {
    50: '#7ecd75',
    500: '#31b637',
    950: '#000000',
  },
}

SCSS

$custom: #31b637;
$custom-light: #7ecd75;
$custom-dark: #000000;

JSON

{
  "hex": "#31b637",
  "rgb": {
    "r": 49,
    "g": 182,
    "b": 55
  },
  "hsl": {
    "h": 122.707,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.68095,
    "c": 0.20074,
    "h": 143.5
  },
  "luminance": 0.34385
}

Semantic roles & 50–950 ramp

primary

#31B637

secondary

#C77CC4

accent

#47DAE1

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0B1409

muted

#7C827B

Preview Lab

Preview with #31B637

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

Preview Lab → · Contrast checker → · Palette generator →