#31B041#31B041

#31B041 is a light, vivid green. Relative luminance 0.321; OKLCH L 66.6% C 0.187 H 144.9°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#31B041
RGB	rgb(49, 176, 65)
HSL	hsl(128, 56%, 44%)
HSV	hsv(128, 72%, 69%)
CMYK	cmyk(72.2%, 0%, 63.1%, 31%)
CIE-LAB	lab(63.41, -56.52, 45.91)
CIE-LCH	lch(63.41, 72.82, 140.91°)
OKLab	oklab(66.59% -0.1527 0.1073)
OKLCH	oklch(66.59% 0.187 144.9)
XYZ	xyz(17.7449, 32.0833, 10.2575)
Luminance	0.3209 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B041 #B031A0

analogous

#61B031 #31B041 #31B081

triadic

#31B041 #4131B0 #B04131

tetradic

#31B041 #3161B0 #B031A0 #B08131

square

#31B041 #3161B0 #B031A0 #B08131

split-complementary

#31B041 #8131B0 #B03161

monochromatic

#16501E #24802F #31B041 #50CE60 #80DC8B

Accessibility & contrast

On white

2.83

#31B041 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.42

#31B041 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B041

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B041	#FFFFFF	#000000	##000000
##31B041	1.00	2.83	7.42	7.42
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.42	21.00	1.00	1.00
##000000	7.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A034

Deuteranopia (green-blind)

#A4964B

Tritanopia (blue-blind)

#00AB99

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #31b041;
/* rgb */ color: rgb(49, 176, 65);
/* oklch */ color: oklch(66.6% 0.187 144.9);

Tailwind

colors: {
  custom: {
    50: '#7cc97a',
    500: '#31b041',
    950: '#000000',
  },
}

SCSS

$custom: #31b041;
$custom-light: #7cc97a;
$custom-dark: #000000;

JSON

{
  "hex": "#31b041",
  "rgb": {
    "r": 49,
    "g": 176,
    "b": 65
  },
  "hsl": {
    "h": 127.559,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.66585,
    "c": 0.18663,
    "h": 144.9
  },
  "luminance": 0.32085
}

Semantic roles & 50–950 ramp

primary

#31B041

secondary

#C578BB

accent

#48CDE0

background

#F8FCF7

surface

#EFF8EE

border

#CAD1C9

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B041

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

Preview Lab → · Contrast checker → · Palette generator →