#31B03E#31B03E

#31B03E is a light, vivid green. Relative luminance 0.321; OKLCH L 66.6% C 0.189 H 144.5°. Best body text is #000000 at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#31B03E
RGB	rgb(49, 176, 62)
HSL	hsl(126, 56%, 44%)
HSV	hsv(126, 72%, 69%)
CMYK	cmyk(72.2%, 0%, 64.8%, 31%)
CIE-LAB	lab(63.38, -56.86, 47.20)
CIE-LCH	lch(63.38, 73.90, 140.30°)
OKLab	oklab(66.55% -0.1537 0.1097)
OKLCH	oklch(66.55% 0.189 144.5)
XYZ	xyz(17.6603, 32.0495, 9.8119)
Luminance	0.3205 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B03E #B031A3

analogous

#64B031 #31B03E #31B07E

triadic

#31B03E #3E31B0 #B03E31

tetradic

#31B03E #3164B0 #B031A3 #B07E31

square

#31B03E #3164B0 #B031A3 #B07E31

split-complementary

#31B03E #7E31B0 #B03164

monochromatic

#16501C #24802D #31B03E #50CE5D #80DC89

Accessibility & contrast

On white

2.83

#31B03E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.41

#31B03E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B03E

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B03E	#FFFFFF	#000000	##000000
##31B03E	1.00	2.83	7.41	7.41
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.41	21.00	1.00	1.00
##000000	7.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A030

Deuteranopia (green-blind)

#A59648

Tritanopia (blue-blind)

#00AB98

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #31b03e;
/* rgb */ color: rgb(49, 176, 62);
/* oklch */ color: oklch(66.6% 0.189 144.5);

Tailwind

colors: {
  custom: {
    50: '#7cc978',
    500: '#31b03e',
    950: '#000000',
  },
}

SCSS

$custom: #31b03e;
$custom-light: #7cc978;
$custom-dark: #000000;

JSON

{
  "hex": "#31b03e",
  "rgb": {
    "r": 49,
    "g": 176,
    "b": 62
  },
  "hsl": {
    "h": 126.142,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.66553,
    "c": 0.18888,
    "h": 144.5
  },
  "luminance": 0.32051
}

Semantic roles & 50–950 ramp

primary

#31B03E

secondary

#C578BD

accent

#48D0E0

background

#F8FCF7

surface

#EFF8ED

border

#CAD1C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B03E

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

Preview Lab → · Contrast checker → · Palette generator →