#31CF4B#31CF4B

#31CF4B is a light, highly saturated green. Relative luminance 0.458; OKLCH L 74.9% C 0.216 H 145.3°. Best body text is #000000 at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#31CF4B
RGB	rgb(49, 207, 75)
HSL	hsl(130, 62%, 50%)
HSV	hsv(130, 76%, 81%)
CMYK	cmyk(76.3%, 0%, 63.8%, 18.8%)
CIE-LAB	lab(73.41, -65.66, 52.76)
CIE-LCH	lch(73.41, 84.23, 141.21°)
OKLab	oklab(74.9% -0.1771 0.1228)
OKLCH	oklch(74.9% 0.216 145.3)
XYZ	xyz(24.8477, 45.7837, 14.1828)
Luminance	0.4579 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31CF4B #CF31B5

analogous

#66CF31 #31CF4B #31CF9A

triadic

#31CF4B #4B31CF #CF4B31

tetradic

#31CF4B #3166CF #CF31B5 #CF9A31

square

#31CF4B #3166CF #CF31B5 #CF9A31

split-complementary

#31CF4B #9A31CF #CF3166

monochromatic

#196C27 #259E39 #31CF4B #63DB76 #94E6A2

Accessibility & contrast

On white

2.07

#31CF4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.16

#31CF4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31CF4B

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31CF4B	#FFFFFF	#000000	##000000
##31CF4B	1.00	2.07	10.16	10.16
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.16	21.00	1.00	1.00
##000000	10.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BC3B

Deuteranopia (green-blind)

#C1B057

Tritanopia (blue-blind)

#00CAB3

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #31cf4b;
/* rgb */ color: rgb(49, 207, 75);
/* oklch */ color: oklch(74.9% 0.216 145.3);

Tailwind

colors: {
  custom: {
    50: '#82df82',
    500: '#31cf4b',
    950: '#000000',
  },
}

SCSS

$custom: #31cf4b;
$custom-light: #82df82;
$custom-dark: #000000;

JSON

{
  "hex": "#31cf4b",
  "rgb": {
    "r": 49,
    "g": 207,
    "b": 75
  },
  "hsl": {
    "h": 129.873,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.74904,
    "c": 0.21554,
    "h": 145.3
  },
  "luminance": 0.45787
}

Semantic roles & 50–950 ramp

primary

#31CF4B

secondary

#D18BC6

accent

#43CAE5

background

#F8FDF8

surface

#F0FBEF

border

#CBD4CA

text

#0C150B

muted

#7D837C

Preview Lab

Preview with #31CF4B

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

Preview Lab → · Contrast checker → · Palette generator →