#31B045#31B045

#31B045 is a light, vivid green. Relative luminance 0.321; OKLCH L 66.6% C 0.183 H 145.5°. Best body text is #000000 at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#31B045
RGB	rgb(49, 176, 69)
HSL	hsl(129, 56%, 44%)
HSV	hsv(129, 72%, 69%)
CMYK	cmyk(72.2%, 0%, 60.8%, 31%)
CIE-LAB	lab(63.45, -56.05, 44.15)
CIE-LCH	lch(63.45, 71.35, 141.77°)
OKLab	oklab(66.63% -0.1513 0.1039)
OKLCH	oklch(66.63% 0.184 145.5)
XYZ	xyz(17.8649, 32.1313, 10.8895)
Luminance	0.3213 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B045 #B0319C

analogous

#5DB031 #31B045 #31B085

triadic

#31B045 #4531B0 #B04531

tetradic

#31B045 #315DB0 #B0319C #B08531

square

#31B045 #315DB0 #B0319C #B08531

split-complementary

#31B045 #8531B0 #B0315D

monochromatic

#16501F #248032 #31B045 #50CE64 #80DC8E

Accessibility & contrast

On white

2.83

#31B045 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.43

#31B045 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B045

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B045	#FFFFFF	#000000	##000000
##31B045	1.00	2.83	7.43	7.43
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.43	21.00	1.00	1.00
##000000	7.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A039

Deuteranopia (green-blind)

#A4964E

Tritanopia (blue-blind)

#00AC99

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #31b045;
/* rgb */ color: rgb(49, 176, 69);
/* oklch */ color: oklch(66.6% 0.183 145.5);

Tailwind

colors: {
  custom: {
    50: '#7cc97c',
    500: '#31b045',
    950: '#000000',
  },
}

SCSS

$custom: #31b045;
$custom-light: #7cc97c;
$custom-dark: #000000;

JSON

{
  "hex": "#31b045",
  "rgb": {
    "r": 49,
    "g": 176,
    "b": 69
  },
  "hsl": {
    "h": 129.449,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.66631,
    "c": 0.1835,
    "h": 145.5
  },
  "luminance": 0.32133
}

Semantic roles & 50–950 ramp

primary

#31B045

secondary

#C578B9

accent

#48C8E0

background

#F8FCF7

surface

#EFF8EE

border

#CAD1C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B045

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

Preview Lab → · Contrast checker → · Palette generator →