#31B181#31B181

#31B181 is a light, vivid teal. Relative luminance 0.337; OKLCH L 68.0% C 0.131 H 163.3°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#31B181
RGB	rgb(49, 177, 129)
HSL	hsl(158, 57%, 44%)
HSV	hsv(158, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 27.1%, 30.6%)
CIE-LAB	lab(64.71, -45.85, 14.81)
CIE-LCH	lch(64.71, 48.19, 162.09°)
OKLab	oklab(67.97% -0.1257 0.0378)
OKLCH	oklch(67.97% 0.131 163.3)
XYZ	xyz(20.9490, 33.6798, 26.1614)
Luminance	0.3368 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B181 #B13161

analogous

#31B141 #31B181 #31A1B1

triadic

#31B181 #8131B1 #B18131

tetradic

#31B181 #4131B1 #B13161 #A1B131

square

#31B181 #4131B1 #B13161 #A1B131

split-complementary

#31B181 #B131A1 #B14131

monochromatic

#16513B #24815E #31B181 #51CF9F #80DCBA

Accessibility & contrast

On white

2.71

#31B181 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#31B181 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B181

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B181	#FFFFFF	#000000	##000000
##31B181	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEA47E

Deuteranopia (green-blind)

#9E9884

Tritanopia (blue-blind)

#00B1A4

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b181;
/* rgb */ color: rgb(49, 177, 129);
/* oklch */ color: oklch(68.0% 0.131 163.3);

Tailwind

colors: {
  custom: {
    50: '#7bc9a5',
    500: '#31b181',
    950: '#000000',
  },
}

SCSS

$custom: #31b181;
$custom-light: #7bc9a5;
$custom-dark: #000000;

JSON

{
  "hex": "#31b181",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 129
  },
  "hsl": {
    "h": 157.5,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.67973,
    "c": 0.13128,
    "h": 163.3
  },
  "luminance": 0.33682
}

Semantic roles & 50–950 ramp

primary

#31B181

secondary

#C57995

accent

#4881E0

background

#F8FCFA

surface

#EFF8F4

border

#CAD1CE

text

#0B130F

muted

#7C827F

Preview Lab

Preview with #31B181

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

Preview Lab → · Contrast checker → · Palette generator →