#31BB40#31BB40

#31BB40 is a light, highly saturated green. Relative luminance 0.366; OKLCH L 69.5% C 0.200 H 144.5°. Best body text is #000000 at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#31BB40
RGB	rgb(49, 187, 64)
HSL	hsl(127, 58%, 46%)
HSV	hsv(127, 74%, 73%)
CMYK	cmyk(73.8%, 0%, 65.8%, 26.7%)
CIE-LAB	lab(66.95, -60.33, 50.28)
CIE-LCH	lch(66.95, 78.53, 140.19°)
OKLab	oklab(69.51% -0.1631 0.1164)
OKLCH	oklch(69.51% 0.2 144.5)
XYZ	xyz(19.9610, 36.5615, 10.8546)
Luminance	0.3656 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31BB40 #BB31AC

analogous

#67BB31 #31BB40 #31BB85

triadic

#31BB40 #4031BB #BB4031

tetradic

#31BB40 #3167BB #BB31AC #BB8531

square

#31BB40 #3167BB #BB31AC #BB8531

split-complementary

#31BB40 #8531BB #BB3167

monochromatic

#185A1F #248B2F #31BB40 #56D364 #87E091

Accessibility & contrast

On white

2.53

#31BB40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.31

#31BB40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31BB40

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31BB40	#FFFFFF	#000000	##000000
##31BB40	1.00	2.53	8.31	8.31
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.31	21.00	1.00	1.00
##000000	8.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEA930

Deuteranopia (green-blind)

#AF9F4B

Tritanopia (blue-blind)

#00B6A2

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #31bb40;
/* rgb */ color: rgb(49, 187, 64);
/* oklch */ color: oklch(69.5% 0.200 144.5);

Tailwind

colors: {
  custom: {
    50: '#7ed17a',
    500: '#31bb40',
    950: '#000000',
  },
}

SCSS

$custom: #31bb40;
$custom-light: #7ed17a;
$custom-dark: #000000;

JSON

{
  "hex": "#31bb40",
  "rgb": {
    "r": 49,
    "g": 187,
    "b": 64
  },
  "hsl": {
    "h": 126.522,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.69514,
    "c": 0.20038,
    "h": 144.5
  },
  "luminance": 0.36564
}

Semantic roles & 50–950 ramp

primary

#31BB40

secondary

#C97FC1

accent

#46D1E2

background

#F8FDF7

surface

#F0FAEE

border

#CBD3C9

text

#0C140A

muted

#7D837C

Preview Lab

Preview with #31BB40

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

Preview Lab → · Contrast checker → · Palette generator →