#31B245#31B245

#31B245 is a light, vivid green. Relative luminance 0.329; OKLCH L 67.2% C 0.186 H 145.5°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#31B245
RGB	rgb(49, 178, 69)
HSL	hsl(129, 57%, 45%)
HSV	hsv(129, 72%, 70%)
CMYK	cmyk(72.5%, 0%, 61.2%, 30.2%)
CIE-LAB	lab(64.10, -56.74, 44.89)
CIE-LCH	lch(64.10, 72.35, 141.65°)
OKLab	oklab(67.17% -0.1531 0.1055)
OKLCH	oklch(67.17% 0.186 145.5)
XYZ	xyz(18.2599, 32.9214, 11.0212)
Luminance	0.3292 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B245 #B2319E

analogous

#5EB231 #31B245 #31B285

triadic

#31B245 #4531B2 #B24531

tetradic

#31B245 #315EB2 #B2319E #B28531

square

#31B245 #315EB2 #B2319E #B28531

split-complementary

#31B245 #8531B2 #B2315E

monochromatic

#175220 #248232 #31B245 #51CF65 #81DC8F

Accessibility & contrast

On white

2.77

#31B245 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.58

#31B245 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B245

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B245	#FFFFFF	#000000	##000000
##31B245	1.00	2.77	7.58	7.58
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.58	21.00	1.00	1.00
##000000	7.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A239

Deuteranopia (green-blind)

#A6974E

Tritanopia (blue-blind)

#00AE9B

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #31b245;
/* rgb */ color: rgb(49, 178, 69);
/* oklch */ color: oklch(67.2% 0.186 145.5);

Tailwind

colors: {
  custom: {
    50: '#7cca7c',
    500: '#31b245',
    950: '#000000',
  },
}

SCSS

$custom: #31b245;
$custom-light: #7cca7c;
$custom-dark: #000000;

JSON

{
  "hex": "#31b245",
  "rgb": {
    "r": 49,
    "g": 178,
    "b": 69
  },
  "hsl": {
    "h": 129.302,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.67166,
    "c": 0.18594,
    "h": 145.5
  },
  "luminance": 0.32923
}

Semantic roles & 50–950 ramp

primary

#31B245

secondary

#C579BA

accent

#48C8E0

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B245

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

Preview Lab → · Contrast checker → · Palette generator →