#31B447#31B447

#31B447 is a light, vivid green. Relative luminance 0.338; OKLCH L 67.7% C 0.187 H 145.7°. Best body text is #000000 at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#31B447
RGB	rgb(49, 180, 71)
HSL	hsl(130, 57%, 45%)
HSV	hsv(130, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 60.6%, 29.4%)
CIE-LAB	lab(64.76, -57.18, 44.74)
CIE-LCH	lch(64.76, 72.61, 141.96°)
OKLab	oklab(67.72% -0.1543 0.1053)
OKLCH	oklch(67.72% 0.187 145.7)
XYZ	xyz(18.7239, 33.7483, 11.4873)
Luminance	0.3375 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B447 #B4319E

analogous

#5DB431 #31B447 #31B488

triadic

#31B447 #4731B4 #B44731

tetradic

#31B447 #315DB4 #B4319E #B48831

square

#31B447 #315DB4 #B4319E #B48831

split-complementary

#31B447 #8831B4 #B4315D

monochromatic

#175421 #248434 #31B447 #52D067 #82DD92

Accessibility & contrast

On white

2.71

#31B447 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.75

#31B447 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B447

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B447	#FFFFFF	#000000	##000000
##31B447	1.00	2.71	7.75	7.75
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.75	21.00	1.00	1.00
##000000	7.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A33B

Deuteranopia (green-blind)

#A89950

Tritanopia (blue-blind)

#00B09D

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b447;
/* rgb */ color: rgb(49, 180, 71);
/* oklch */ color: oklch(67.7% 0.187 145.7);

Tailwind

colors: {
  custom: {
    50: '#7dcc7e',
    500: '#31b447',
    950: '#000000',
  },
}

SCSS

$custom: #31b447;
$custom-light: #7dcc7e;
$custom-dark: #000000;

JSON

{
  "hex": "#31b447",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 71
  },
  "hsl": {
    "h": 130.076,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67723,
    "c": 0.1868,
    "h": 145.7
  },
  "luminance": 0.3375
}

Semantic roles & 50–950 ramp

primary

#31B447

secondary

#C67BBA

accent

#47C7E0

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B447

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

Preview Lab → · Contrast checker → · Palette generator →