#31B533#31B533

#31B533 is a light, highly saturated green. Relative luminance 0.339; OKLCH L 67.8% C 0.202 H 143.1°. Best body text is #000000 at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#31B533
RGB	rgb(49, 181, 51)
HSL	hsl(121, 57%, 45%)
HSV	hsv(121, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 71.8%, 29%)
CIE-LAB	lab(64.91, -59.59, 53.32)
CIE-LCH	lch(64.91, 79.96, 138.18°)
OKLab	oklab(67.79% -0.1617 0.1213)
OKLCH	oklch(67.79% 0.202 143.1)
XYZ	xyz(18.3869, 33.9377, 8.7129)
Luminance	0.3394 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B533 #B531B3

analogous

#71B531 #31B533 #31B575

triadic

#31B533 #3331B5 #B53331

tetradic

#31B533 #3171B5 #B531B3 #B57531

square

#31B533 #3171B5 #B531B3 #B57531

split-complementary

#31B533 #7531B5 #B53171

monochromatic

#175518 #248525 #31B533 #53D055 #83DD84

Accessibility & contrast

On white

2.70

#31B533 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.79

#31B533 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B533

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B533	#FFFFFF	#000000	##000000
##31B533	1.00	2.70	7.79	7.79
#FFFFFF	2.70	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)

#B9A41D

Deuteranopia (green-blind)

#AA9A40

Tritanopia (blue-blind)

#00B09B

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b533;
/* rgb */ color: rgb(49, 181, 51);
/* oklch */ color: oklch(67.8% 0.202 143.1);

Tailwind

colors: {
  custom: {
    50: '#7ecc72',
    500: '#31b533',
    950: '#000000',
  },
}

SCSS

$custom: #31b533;
$custom-light: #7ecc72;
$custom-dark: #000000;

JSON

{
  "hex": "#31b533",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 51
  },
  "hsl": {
    "h": 120.909,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.67793,
    "c": 0.20213,
    "h": 143.1
  },
  "luminance": 0.3394
}

Semantic roles & 50–950 ramp

primary

#31B533

secondary

#C77BC6

accent

#47DEE1

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0B1408

muted

#7C827B

Preview Lab

Preview with #31B533

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

Preview Lab → · Contrast checker → · Palette generator →