#31B481#31B481

#31B481 is a light, vivid teal. Relative luminance 0.349; OKLCH L 68.8% C 0.135 H 162.3°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#31B481
RGB	rgb(49, 180, 129)
HSL	hsl(157, 57%, 45%)
HSV	hsv(157, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 28.3%, 29.4%)
CIE-LAB	lab(65.65, -47.08, 16.13)
CIE-LCH	lch(65.65, 49.76, 161.09°)
OKLab	oklab(68.75% -0.1288 0.0411)
OKLCH	oklch(68.75% 0.135 162.3)
XYZ	xyz(21.5480, 34.8780, 26.3611)
Luminance	0.3488 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B481 #B43164

analogous

#31B43F #31B481 #31A6B4

triadic

#31B481 #8131B4 #B48131

tetradic

#31B481 #3F31B4 #B43164 #A6B431

square

#31B481 #3F31B4 #B43164 #A6B431

split-complementary

#31B481 #B431A6 #B43F31

monochromatic

#17543C #24845F #31B481 #52D09F #82DDBA

Accessibility & contrast

On white

2.63

#31B481 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.98

#31B481 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B481

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B481	#FFFFFF	#000000	##000000
##31B481	1.00	2.63	7.98	7.98
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.98	21.00	1.00	1.00
##000000	7.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A77E

Deuteranopia (green-blind)

#A19B84

Tritanopia (blue-blind)

#00B4A6

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #31b481;
/* rgb */ color: rgb(49, 180, 129);
/* oklch */ color: oklch(68.8% 0.135 162.3);

Tailwind

colors: {
  custom: {
    50: '#7ccba5',
    500: '#31b481',
    950: '#000000',
  },
}

SCSS

$custom: #31b481;
$custom-light: #7ccba5;
$custom-dark: #000000;

JSON

{
  "hex": "#31b481",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 129
  },
  "hsl": {
    "h": 156.641,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.6875,
    "c": 0.13516,
    "h": 162.3
  },
  "luminance": 0.3488
}

Semantic roles & 50–950 ramp

primary

#31B481

secondary

#C67B98

accent

#4783E0

background

#F8FCFA

surface

#EFF9F4

border

#CAD2CE

text

#0B130F

muted

#7C827F

Preview Lab

Preview with #31B481

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

Preview Lab → · Contrast checker → · Palette generator →