#31BB3B#31BB3B

#31BB3B is a light, highly saturated green. Relative luminance 0.365; OKLCH L 69.5% C 0.204 H 143.9°. Best body text is #000000 at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#31BB3B
RGB	rgb(49, 187, 59)
HSL	hsl(124, 58%, 46%)
HSV	hsv(124, 74%, 73%)
CMYK	cmyk(73.8%, 0%, 68.4%, 26.7%)
CIE-LAB	lab(66.91, -60.83, 52.29)
CIE-LCH	lch(66.91, 80.21, 139.32°)
OKLab	oklab(69.47% -0.1647 0.1201)
OKLCH	oklch(69.47% 0.204 143.9)
XYZ	xyz(19.8251, 36.5071, 10.1386)
Luminance	0.3651 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31BB3B #BB31B1

analogous

#6CBB31 #31BB3B #31BB80

triadic

#31BB3B #3B31BB #BB3B31

tetradic

#31BB3B #316CBB #BB31B1 #BB8031

square

#31BB3B #316CBB #BB31B1 #BB8031

split-complementary

#31BB3B #8031BB #BB316C

monochromatic

#185A1C #248B2C #31BB3B #56D35F #87E08D

Accessibility & contrast

On white

2.53

#31BB3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.30

#31BB3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31BB3B

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31BB3B	#FFFFFF	#000000	##000000
##31BB3B	1.00	2.53	8.30	8.30
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.30	21.00	1.00	1.00
##000000	8.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA929

Deuteranopia (green-blind)

#AF9F47

Tritanopia (blue-blind)

#00B6A1

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #31bb3b;
/* rgb */ color: rgb(49, 187, 59);
/* oklch */ color: oklch(69.5% 0.204 143.9);

Tailwind

colors: {
  custom: {
    50: '#7fd177',
    500: '#31bb3b',
    950: '#000000',
  },
}

SCSS

$custom: #31bb3b;
$custom-light: #7fd177;
$custom-dark: #000000;

JSON

{
  "hex": "#31bb3b",
  "rgb": {
    "r": 49,
    "g": 187,
    "b": 59
  },
  "hsl": {
    "h": 124.348,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.69466,
    "c": 0.20382,
    "h": 143.9
  },
  "luminance": 0.36509
}

Semantic roles & 50–950 ramp

primary

#31BB3B

secondary

#C97FC4

accent

#46D6E2

background

#F8FDF7

surface

#F0FAED

border

#CBD3C8

text

#0C1409

muted

#7D837B

Preview Lab

Preview with #31BB3B

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

Preview Lab → · Contrast checker → · Palette generator →