#31B449#31B449

#31B449 is a light, vivid green. Relative luminance 0.338; OKLCH L 67.7% C 0.185 H 146.0°. Best body text is #000000 at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#31B449
RGB	rgb(49, 180, 73)
HSL	hsl(131, 57%, 45%)
HSV	hsv(131, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 59.4%, 29.4%)
CIE-LAB	lab(64.78, -56.94, 43.84)
CIE-LCH	lch(64.78, 71.86, 142.40°)
OKLab	oklab(67.75% -0.1535 0.1035)
OKLCH	oklch(67.75% 0.185 146)
XYZ	xyz(18.7891, 33.7744, 11.8309)
Luminance	0.3378 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B449 #B4319C

analogous

#5BB431 #31B449 #31B48A

triadic

#31B449 #4931B4 #B44931

tetradic

#31B449 #315BB4 #B4319C #B48A31

square

#31B449 #315BB4 #B4319C #B48A31

split-complementary

#31B449 #8A31B4 #B4315B

monochromatic

#175422 #248435 #31B449 #52D069 #82DD93

Accessibility & contrast

On white

2.71

#31B449 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.76

#31B449 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B449

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B449	#FFFFFF	#000000	##000000
##31B449	1.00	2.71	7.76	7.76
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.76	21.00	1.00	1.00
##000000	7.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A43E

Deuteranopia (green-blind)

#A79952

Tritanopia (blue-blind)

#00B09D

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b449;
/* rgb */ color: rgb(49, 180, 73);
/* oklch */ color: oklch(67.7% 0.185 146.0);

Tailwind

colors: {
  custom: {
    50: '#7ccc7f',
    500: '#31b449',
    950: '#000000',
  },
}

SCSS

$custom: #31b449;
$custom-light: #7ccc7f;
$custom-dark: #000000;

JSON

{
  "hex": "#31b449",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 73
  },
  "hsl": {
    "h": 130.992,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67747,
    "c": 0.18519,
    "h": 146
  },
  "luminance": 0.33777
}

Semantic roles & 50–950 ramp

primary

#31B449

secondary

#C67BB8

accent

#47C4E0

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B449

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

Preview Lab → · Contrast checker → · Palette generator →