#31BB3F#31BB3F

#31BB3F is a light, highly saturated green. Relative luminance 0.366; OKLCH L 69.5% C 0.201 H 144.4°. Best body text is #000000 at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#31BB3F
RGB	rgb(49, 187, 63)
HSL	hsl(126, 58%, 46%)
HSV	hsv(126, 74%, 73%)
CMYK	cmyk(73.8%, 0%, 66.3%, 26.7%)
CIE-LAB	lab(66.94, -60.43, 50.69)
CIE-LCH	lch(66.94, 78.87, 140.01°)
OKLab	oklab(69.5% -0.1634 0.1172)
OKLCH	oklch(69.5% 0.201 144.4)
XYZ	xyz(19.9328, 36.5502, 10.7061)
Luminance	0.3655 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31BB3F #BB31AD

analogous

#68BB31 #31BB3F #31BB84

triadic

#31BB3F #3F31BB #BB3F31

tetradic

#31BB3F #3168BB #BB31AD #BB8431

square

#31BB3F #3168BB #BB31AD #BB8431

split-complementary

#31BB3F #8431BB #BB3168

monochromatic

#185A1E #248B2F #31BB3F #56D363 #87E090

Accessibility & contrast

On white

2.53

#31BB3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.31

#31BB3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31BB3F

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31BB3F	#FFFFFF	#000000	##000000
##31BB3F	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)

#BEA92F

Deuteranopia (green-blind)

#AF9F4A

Tritanopia (blue-blind)

#00B6A1

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #31bb3f;
/* rgb */ color: rgb(49, 187, 63);
/* oklch */ color: oklch(69.5% 0.201 144.4);

Tailwind

colors: {
  custom: {
    50: '#7ed17a',
    500: '#31bb3f',
    950: '#000000',
  },
}

SCSS

$custom: #31bb3f;
$custom-light: #7ed17a;
$custom-dark: #000000;

JSON

{
  "hex": "#31bb3f",
  "rgb": {
    "r": 49,
    "g": 187,
    "b": 63
  },
  "hsl": {
    "h": 126.087,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.69504,
    "c": 0.20109,
    "h": 144.4
  },
  "luminance": 0.36552
}

Semantic roles & 50–950 ramp

primary

#31BB3F

secondary

#C97FC2

accent

#46D2E2

background

#F8FDF7

surface

#F0FAEE

border

#CBD3C9

text

#0C1409

muted

#7D837B

Preview Lab

Preview with #31BB3F

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

Preview Lab → · Contrast checker → · Palette generator →