#31BF37#31BF37

#31BF37 is a light, highly saturated green. Relative luminance 0.382; OKLCH L 70.5% C 0.211 H 143.4°. Best body text is #000000 at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#31BF37
RGB	rgb(49, 191, 55)
HSL	hsl(123, 59%, 47%)
HSV	hsv(123, 74%, 75%)
CMYK	cmyk(74.3%, 0%, 71.2%, 25.1%)
CIE-LAB	lab(68.16, -62.48, 55.17)
CIE-LCH	lch(68.16, 83.35, 138.56°)
OKLab	oklab(70.5% -0.1693 0.1257)
OKLCH	oklch(70.5% 0.211 143.4)
XYZ	xyz(20.5857, 38.1880, 9.8998)
Luminance	0.3819 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31BF37 #BF31B9

analogous

#72BF31 #31BF37 #31BF7E

triadic

#31BF37 #3731BF #BF3731

tetradic

#31BF37 #3172BF #BF31B9 #BF7E31

square

#31BF37 #3172BF #BF31B9 #BF7E31

split-complementary

#31BF37 #7E31BF #BF3172

monochromatic

#185E1B #258E29 #31BF37 #59D45E #8AE18D

Accessibility & contrast

On white

2.43

#31BF37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.64

#31BF37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31BF37

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31BF37	#FFFFFF	#000000	##000000
##31BF37	1.00	2.43	8.64	8.64
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.64	21.00	1.00	1.00
##000000	8.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD21

Deuteranopia (green-blind)

#B3A245

Tritanopia (blue-blind)

#00BAA4

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #31bf37;
/* rgb */ color: rgb(49, 191, 55);
/* oklch */ color: oklch(70.5% 0.211 143.4);

Tailwind

colors: {
  custom: {
    50: '#80d476',
    500: '#31bf37',
    950: '#000000',
  },
}

SCSS

$custom: #31bf37;
$custom-light: #80d476;
$custom-dark: #000000;

JSON

{
  "hex": "#31bf37",
  "rgb": {
    "r": 49,
    "g": 191,
    "b": 55
  },
  "hsl": {
    "h": 122.535,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.70497,
    "c": 0.21089,
    "h": 143.4
  },
  "luminance": 0.3819
}

Semantic roles & 50–950 ramp

primary

#31BF37

secondary

#CB81C8

accent

#45DCE2

background

#F8FDF7

surface

#F0FAED

border

#CBD3C8

text

#0C1409

muted

#7D837B

Preview Lab

Preview with #31BF37

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

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