#31B030#31B030

#31B030 is a light, vivid green. Relative luminance 0.319; OKLCH L 66.4% C 0.198 H 142.8°. Best body text is #000000 at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#31B030
RGB	rgb(49, 176, 48)
HSL	hsl(120, 57%, 44%)
HSV	hsv(120, 73%, 69%)
CMYK	cmyk(72.2%, 0%, 72.7%, 31%)
CIE-LAB	lab(63.27, -58.20, 52.76)
CIE-LCH	lch(63.27, 78.55, 137.81°)
OKLab	oklab(66.43% -0.158 0.1198)
OKLCH	oklch(66.43% 0.198 142.8)
XYZ	xyz(17.3244, 31.9151, 8.0429)
Luminance	0.3192 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B030 #AF30B0

analogous

#71B030 #31B030 #30B06F

triadic

#31B030 #3031B0 #B03031

tetradic

#31B030 #3071B0 #AF30B0 #B06F30

square

#31B030 #3071B0 #AF30B0 #B06F30

split-complementary

#31B030 #6F30B0 #B03071

monochromatic

#165016 #248023 #31B030 #4FCF4E #7FDC7E

Accessibility & contrast

On white

2.84

#31B030 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.38

#31B030 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B030

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B030	#FFFFFF	#000000	##000000
##31B030	1.00	2.84	7.38	7.38
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.38	21.00	1.00	1.00
##000000	7.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B49F1A

Deuteranopia (green-blind)

#A5953D

Tritanopia (blue-blind)

#00AB97

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #31b030;
/* rgb */ color: rgb(49, 176, 48);
/* oklch */ color: oklch(66.4% 0.198 142.8);

Tailwind

colors: {
  custom: {
    50: '#7dc970',
    500: '#31b030',
    950: '#000000',
  },
}

SCSS

$custom: #31b030;
$custom-light: #7dc970;
$custom-dark: #000000;

JSON

{
  "hex": "#31b030",
  "rgb": {
    "r": 49,
    "g": 176,
    "b": 48
  },
  "hsl": {
    "h": 119.531,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.66425,
    "c": 0.1983,
    "h": 142.8
  },
  "luminance": 0.31917
}

Semantic roles & 50–950 ramp

primary

#31B030

secondary

#C477C5

accent

#47E0DF

background

#F8FCF7

surface

#EFF8ED

border

#CAD1C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #31B030

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

Preview Lab → · Contrast checker → · Palette generator →