#31B536#31B536

#31B536 is a light, highly saturated green. Relative luminance 0.340; OKLCH L 67.8% C 0.200 H 143.4°. Best body text is #000000 at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#31B536
RGB	rgb(49, 181, 54)
HSL	hsl(122, 57%, 45%)
HSV	hsv(122, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 70.2%, 29%)
CIE-LAB	lab(64.93, -59.32, 52.19)
CIE-LCH	lch(64.93, 79.01, 138.66°)
OKLab	oklab(67.82% -0.1608 0.1193)
OKLCH	oklch(67.82% 0.2 143.4)
XYZ	xyz(18.4552, 33.9650, 9.0726)
Luminance	0.3397 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B536 #B531B0

analogous

#6EB531 #31B536 #31B578

triadic

#31B536 #3631B5 #B53631

tetradic

#31B536 #316EB5 #B531B0 #B57831

square

#31B536 #316EB5 #B531B0 #B57831

split-complementary

#31B536 #7831B5 #B5316E

monochromatic

#175519 #248528 #31B536 #53D058 #83DD86

Accessibility & contrast

On white

2.69

#31B536 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.79

#31B536 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B536

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B536	#FFFFFF	#000000	##000000
##31B536	1.00	2.69	7.79	7.79
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.79	21.00	1.00	1.00
##000000	7.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A423

Deuteranopia (green-blind)

#AA9A42

Tritanopia (blue-blind)

#00B09C

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b536;
/* rgb */ color: rgb(49, 181, 54);
/* oklch */ color: oklch(67.8% 0.200 143.4);

Tailwind

colors: {
  custom: {
    50: '#7ecc74',
    500: '#31b536',
    950: '#000000',
  },
}

SCSS

$custom: #31b536;
$custom-light: #7ecc74;
$custom-dark: #000000;

JSON

{
  "hex": "#31b536",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 54
  },
  "hsl": {
    "h": 122.273,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.67818,
    "c": 0.20024,
    "h": 143.4
  },
  "luminance": 0.33967
}

Semantic roles & 50–950 ramp

primary

#31B536

secondary

#C77BC4

accent

#47DBE1

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1409

muted

#7C827B

Preview Lab

Preview with #31B536

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

Preview Lab → · Contrast checker → · Palette generator →