#31B345#31B345

#31B345 is a light, vivid green. Relative luminance 0.333; OKLCH L 67.4% C 0.187 H 145.4°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#31B345
RGB	rgb(49, 179, 69)
HSL	hsl(129, 57%, 45%)
HSV	hsv(129, 73%, 70%)
CMYK	cmyk(72.6%, 0%, 61.5%, 29.8%)
CIE-LAB	lab(64.42, -57.08, 45.26)
CIE-LCH	lch(64.42, 72.85, 141.59°)
OKLab	oklab(67.43% -0.1541 0.1062)
OKLCH	oklch(67.43% 0.187 145.4)
XYZ	xyz(18.4596, 33.3208, 11.0878)
Luminance	0.3332 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B345 #B3319F

analogous

#5EB331 #31B345 #31B386

triadic

#31B345 #4531B3 #B34531

tetradic

#31B345 #315EB3 #B3319F #B38631

square

#31B345 #315EB3 #B3319F #B38631

split-complementary

#31B345 #8631B3 #B3315E

monochromatic

#175320 #248332 #31B345 #52D065 #82DD90

Accessibility & contrast

On white

2.74

#31B345 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.66

#31B345 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B345

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B345	#FFFFFF	#000000	##000000
##31B345	1.00	2.74	7.66	7.66
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.66	21.00	1.00	1.00
##000000	7.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A339

Deuteranopia (green-blind)

#A7984E

Tritanopia (blue-blind)

#00AE9B

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b345;
/* rgb */ color: rgb(49, 179, 69);
/* oklch */ color: oklch(67.4% 0.187 145.4);

Tailwind

colors: {
  custom: {
    50: '#7ccb7d',
    500: '#31b345',
    950: '#000000',
  },
}

SCSS

$custom: #31b345;
$custom-light: #7ccb7d;
$custom-dark: #000000;

JSON

{
  "hex": "#31b345",
  "rgb": {
    "r": 49,
    "g": 179,
    "b": 69
  },
  "hsl": {
    "h": 129.231,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.67433,
    "c": 0.18716,
    "h": 145.4
  },
  "luminance": 0.33323
}

Semantic roles & 50–950 ramp

primary

#31B345

secondary

#C67ABA

accent

#48C9E0

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B345

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

Preview Lab → · Contrast checker → · Palette generator →