#31BB4F#31BB4F

#31BB4F is a light, vivid green. Relative luminance 0.368; OKLCH L 69.7% C 0.189 H 146.7°. Best body text is #000000 at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#31BB4F
RGB	rgb(49, 187, 79)
HSL	hsl(133, 58%, 46%)
HSV	hsv(133, 74%, 73%)
CMYK	cmyk(73.8%, 0%, 57.8%, 26.7%)
CIE-LAB	lab(67.09, -58.57, 43.75)
CIE-LCH	lch(67.09, 73.11, 143.24°)
OKLab	oklab(69.68% -0.1578 0.1038)
OKLCH	oklch(69.68% 0.189 146.7)
XYZ	xyz(20.4467, 36.7558, 13.4126)
Luminance	0.3676 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31BB4F #BB319D

analogous

#58BB31 #31BB4F #31BB94

triadic

#31BB4F #4F31BB #BB4F31

tetradic

#31BB4F #3158BB #BB319D #BB9431

square

#31BB4F #3158BB #BB319D #BB9431

split-complementary

#31BB4F #9431BB #BB3158

monochromatic

#185A26 #248B3B #31BB4F #56D371 #87E09A

Accessibility & contrast

On white

2.51

#31BB4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.35

#31BB4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31BB4F

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31BB4F	#FFFFFF	#000000	##000000
##31BB4F	1.00	2.51	8.35	8.35
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.35	21.00	1.00	1.00
##000000	8.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDAA44

Deuteranopia (green-blind)

#AE9F58

Tritanopia (blue-blind)

#00B7A3

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #31bb4f;
/* rgb */ color: rgb(49, 187, 79);
/* oklch */ color: oklch(69.7% 0.189 146.7);

Tailwind

colors: {
  custom: {
    50: '#7ed183',
    500: '#31bb4f',
    950: '#000000',
  },
}

SCSS

$custom: #31bb4f;
$custom-light: #7ed183;
$custom-dark: #000000;

JSON

{
  "hex": "#31bb4f",
  "rgb": {
    "r": 49,
    "g": 187,
    "b": 79
  },
  "hsl": {
    "h": 133.043,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.69682,
    "c": 0.18886,
    "h": 146.7
  },
  "luminance": 0.36758
}

Semantic roles & 50–950 ramp

primary

#31BB4F

secondary

#C97FB9

accent

#46C0E2

background

#F8FCF8

surface

#EFF9EF

border

#CAD2CA

text

#0B140B

muted

#7C827C

Preview Lab

Preview with #31BB4F

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

Preview Lab → · Contrast checker → · Palette generator →