#31B281#31B281

#31B281 is a light, vivid teal. Relative luminance 0.341; OKLCH L 68.2% C 0.133 H 163.0°. Best body text is #000000 at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#31B281
RGB	rgb(49, 178, 129)
HSL	hsl(157, 57%, 45%)
HSV	hsv(157, 72%, 70%)
CMYK	cmyk(72.5%, 0%, 27.5%, 30.2%)
CIE-LAB	lab(65.02, -46.26, 15.25)
CIE-LCH	lch(65.02, 48.71, 161.75°)
OKLab	oklab(68.23% -0.1267 0.0389)
OKLCH	oklch(68.23% 0.133 163)
XYZ	xyz(21.1472, 34.0763, 26.2275)
Luminance	0.3408 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B281 #B23162

analogous

#31B240 #31B281 #31A3B2

triadic

#31B281 #8131B2 #B28131

tetradic

#31B281 #4031B2 #B23162 #A3B231

square

#31B281 #4031B2 #B23162 #A3B231

split-complementary

#31B281 #B231A3 #B24031

monochromatic

#17523B #24825E #31B281 #51CF9F #81DCBA

Accessibility & contrast

On white

2.69

#31B281 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.82

#31B281 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B281

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B281	#FFFFFF	#000000	##000000
##31B281	1.00	2.69	7.82	7.82
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.82	21.00	1.00	1.00
##000000	7.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFA57E

Deuteranopia (green-blind)

#9F9984

Tritanopia (blue-blind)

#00B2A5

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b281;
/* rgb */ color: rgb(49, 178, 129);
/* oklch */ color: oklch(68.2% 0.133 163.0);

Tailwind

colors: {
  custom: {
    50: '#7bcaa5',
    500: '#31b281',
    950: '#000000',
  },
}

SCSS

$custom: #31b281;
$custom-light: #7bcaa5;
$custom-dark: #000000;

JSON

{
  "hex": "#31b281",
  "rgb": {
    "r": 49,
    "g": 178,
    "b": 129
  },
  "hsl": {
    "h": 157.209,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.68232,
    "c": 0.13258,
    "h": 163
  },
  "luminance": 0.34079
}

Semantic roles & 50–950 ramp

primary

#31B281

secondary

#C57996

accent

#4882E0

background

#F8FCFA

surface

#EFF8F4

border

#CAD1CE

text

#0B130F

muted

#7C827F

Preview Lab

Preview with #31B281

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

Preview Lab → · Contrast checker → · Palette generator →