#31B666#31B666

#31B666 is a light, vivid green. Relative luminance 0.351; OKLCH L 68.7% C 0.162 H 152.1°. Best body text is #000000 at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#31B666
RGB	rgb(49, 182, 102)
HSL	hsl(144, 58%, 45%)
HSV	hsv(144, 73%, 71%)
CMYK	cmyk(73.1%, 0%, 44%, 28.6%)
CIE-LAB	lab(65.80, -53.26, 30.74)
CIE-LCH	lch(65.80, 61.50, 150.01°)
OKLab	oklab(68.71% -0.1434 0.0758)
OKLCH	oklch(68.71% 0.162 152.1)
XYZ	xyz(20.3911, 35.0658, 18.2615)
Luminance	0.3507 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B666 #B63181

analogous

#3EB631 #31B666 #31B6A9

triadic

#31B666 #6631B6 #B66631

tetradic

#31B666 #313EB6 #B63181 #B6A931

square

#31B666 #313EB6 #B63181 #B6A931

split-complementary

#31B666 #A931B6 #B6313E

monochromatic

#175630 #24864B #31B666 #53D185 #84DEA8

Accessibility & contrast

On white

2.62

#31B666 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.01

#31B666 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B666

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B666	#FFFFFF	#000000	##000000
##31B666	1.00	2.62	8.01	8.01
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.01	21.00	1.00	1.00
##000000	8.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A760

Deuteranopia (green-blind)

#A69B6B

Tritanopia (blue-blind)

#00B3A3

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #31b666;
/* rgb */ color: rgb(49, 182, 102);
/* oklch */ color: oklch(68.7% 0.162 152.1);

Tailwind

colors: {
  custom: {
    50: '#7ccd92',
    500: '#31b666',
    950: '#000000',
  },
}

SCSS

$custom: #31b666;
$custom-light: #7ccd92;
$custom-dark: #000000;

JSON

{
  "hex": "#31b666",
  "rgb": {
    "r": 49,
    "g": 182,
    "b": 102
  },
  "hsl": {
    "h": 143.91,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.68711,
    "c": 0.1622,
    "h": 152.1
  },
  "luminance": 0.35068
}

Semantic roles & 50–950 ramp

primary

#31B666

secondary

#C77CA9

accent

#47A4E1

background

#F8FCF9

surface

#EFF9F1

border

#CAD2CB

text

#0B140D

muted

#7C827E

Preview Lab

Preview with #31B666

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

Preview Lab → · Contrast checker → · Palette generator →