#31BC21#31BC21

#31BC21 is a light, highly saturated green. Relative luminance 0.367; OKLCH L 69.6% C 0.219 H 141.8°. Best body text is #000000 at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#31BC21
RGB	rgb(49, 188, 33)
HSL	hsl(114, 70%, 43%)
HSV	hsv(114, 82%, 74%)
CMYK	cmyk(73.9%, 0%, 82.4%, 26.3%)
CIE-LAB	lab(67.07, -63.05, 61.25)
CIE-LCH	lch(67.07, 87.90, 135.83°)
OKLab	oklab(69.55% -0.1719 0.1355)
OKLCH	oklch(69.55% 0.219 141.8)
XYZ	xyz(19.5232, 36.7270, 7.4987)
Luminance	0.3673 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31BC21 #AC21BC

analogous

#7FBC21 #31BC21 #21BC5E

triadic

#31BC21 #2131BC #BC2131

tetradic

#31BC21 #217FBC #AC21BC #BC5E21

square

#31BC21 #217FBC #AC21BC #BC5E21

split-complementary

#31BC21 #5E21BC #BC217F

monochromatic

#16540F #238818 #31BC21 #4EDD3D #7DE671

Accessibility & contrast

On white

2.52

#31BC21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.35

#31BC21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31BC21

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31BC21	#FFFFFF	#000000	##000000
##31BC21	1.00	2.52	8.35	8.35
#FFFFFF	2.52	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)

#C1AA00

Deuteranopia (green-blind)

#B19F35

Tritanopia (blue-blind)

#00B6A0

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #31bc21;
/* rgb */ color: rgb(49, 188, 33);
/* oklch */ color: oklch(69.6% 0.219 141.8);

Tailwind

colors: {
  custom: {
    50: '#80d16b',
    500: '#31bc21',
    950: '#000000',
  },
}

SCSS

$custom: #31bc21;
$custom-light: #80d16b;
$custom-dark: #000000;

JSON

{
  "hex": "#31bc21",
  "rgb": {
    "r": 49,
    "g": 188,
    "b": 33
  },
  "hsl": {
    "h": 113.806,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.69554,
    "c": 0.21883,
    "h": 141.8
  },
  "luminance": 0.36729
}

Semantic roles & 50–950 ramp

primary

#31BC21

secondary

#C36CCD

accent

#3BEDDB

background

#F8FDF6

surface

#F0FAEC

border

#CBD3C7

text

#0C1407

muted

#7D837A

Preview Lab

Preview with #31BC21

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

Preview Lab → · Contrast checker → · Palette generator →