#31B878#31B878

#31B878 is a light, vivid teal. Relative luminance 0.363; OKLCH L 69.6% C 0.148 H 157.6°. Best body text is #000000 at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#31B878
RGB	rgb(49, 184, 120)
HSL	hsl(152, 58%, 46%)
HSV	hsv(152, 73%, 72%)
CMYK	cmyk(73.4%, 0%, 34.8%, 27.8%)
CIE-LAB	lab(66.74, -50.59, 22.48)
CIE-LCH	lch(66.74, 55.36, 156.04°)
OKLab	oklab(69.58% -0.1371 0.0566)
OKLCH	oklch(69.58% 0.148 157.6)
XYZ	xyz(21.7951, 36.2875, 23.6212)
Luminance	0.3629 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B878 #B83171

analogous

#31B835 #31B878 #31B4B8

triadic

#31B878 #7831B8 #B87831

tetradic

#31B878 #3531B8 #B83171 #B4B831

square

#31B878 #3531B8 #B83171 #B4B831

split-complementary

#31B878 #B831B4 #B83531

monochromatic

#175739 #248858 #31B878 #55D296 #85DEB4

Accessibility & contrast

On white

2.54

#31B878 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.26

#31B878 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B878

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B878	#FFFFFF	#000000	##000000
##31B878	1.00	2.54	8.26	8.26
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.26	21.00	1.00	1.00
##000000	8.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A974

Deuteranopia (green-blind)

#A69E7C

Tritanopia (blue-blind)

#00B7A7

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #31b878;
/* rgb */ color: rgb(49, 184, 120);
/* oklch */ color: oklch(69.6% 0.148 157.6);

Tailwind

colors: {
  custom: {
    50: '#7cce9f',
    500: '#31b878',
    950: '#000000',
  },
}

SCSS

$custom: #31b878;
$custom-light: #7cce9f;
$custom-dark: #000000;

JSON

{
  "hex": "#31b878",
  "rgb": {
    "r": 49,
    "g": 184,
    "b": 120
  },
  "hsl": {
    "h": 151.556,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.69585,
    "c": 0.14829,
    "h": 157.6
  },
  "luminance": 0.3629
}

Semantic roles & 50–950 ramp

primary

#31B878

secondary

#C87DA0

accent

#4790E1

background

#F8FCF9

surface

#EFF9F2

border

#CAD2CC

text

#0B140E

muted

#7C827E

Preview Lab

Preview with #31B878

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

Preview Lab → · Contrast checker → · Palette generator →