#31B381#31B381

#31B381 is a light, vivid teal. Relative luminance 0.345; OKLCH L 68.5% C 0.134 H 162.6°. Best body text is #000000 at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#31B381
RGB	rgb(49, 179, 129)
HSL	hsl(157, 57%, 45%)
HSV	hsv(157, 73%, 70%)
CMYK	cmyk(72.6%, 0%, 27.9%, 29.8%)
CIE-LAB	lab(65.34, -46.67, 15.69)
CIE-LCH	lch(65.34, 49.24, 161.41°)
OKLab	oklab(68.49% -0.1278 0.04)
OKLCH	oklch(68.49% 0.134 162.6)
XYZ	xyz(21.3469, 34.4757, 26.2941)
Luminance	0.3448 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B381 #B33163

analogous

#31B340 #31B381 #31A4B3

triadic

#31B381 #8131B3 #B38131

tetradic

#31B381 #4031B3 #B33163 #A4B331

square

#31B381 #4031B3 #B33163 #A4B331

split-complementary

#31B381 #B331A4 #B34031

monochromatic

#17533C #24835E #31B381 #52D09F #82DDBA

Accessibility & contrast

On white

2.66

#31B381 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.90

#31B381 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B381

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B381	#FFFFFF	#000000	##000000
##31B381	1.00	2.66	7.90	7.90
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.90	21.00	1.00	1.00
##000000	7.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0A67E

Deuteranopia (green-blind)

#A09A84

Tritanopia (blue-blind)

#00B3A5

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #31b381;
/* rgb */ color: rgb(49, 179, 129);
/* oklch */ color: oklch(68.5% 0.134 162.6);

Tailwind

colors: {
  custom: {
    50: '#7bcba5',
    500: '#31b381',
    950: '#000000',
  },
}

SCSS

$custom: #31b381;
$custom-light: #7bcba5;
$custom-dark: #000000;

JSON

{
  "hex": "#31b381",
  "rgb": {
    "r": 49,
    "g": 179,
    "b": 129
  },
  "hsl": {
    "h": 156.923,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.68491,
    "c": 0.13386,
    "h": 162.6
  },
  "luminance": 0.34478
}

Semantic roles & 50–950 ramp

primary

#31B381

secondary

#C67A97

accent

#4882E0

background

#F8FCFA

surface

#EFF8F4

border

#CAD1CE

text

#0B130F

muted

#7C827F

Preview Lab

Preview with #31B381

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

Preview Lab → · Contrast checker → · Palette generator →