#31B778#31B778

#31B778 is a light, vivid teal. Relative luminance 0.359; OKLCH L 69.3% C 0.147 H 157.8°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#31B778
RGB	rgb(49, 183, 120)
HSL	hsl(152, 58%, 45%)
HSV	hsv(152, 73%, 72%)
CMYK	cmyk(73.2%, 0%, 34.4%, 28.2%)
CIE-LAB	lab(66.42, -50.21, 22.05)
CIE-LCH	lch(66.42, 54.83, 156.29°)
OKLab	oklab(69.33% -0.1361 0.0556)
OKLCH	oklch(69.33% 0.147 157.8)
XYZ	xyz(21.5881, 35.8735, 23.5522)
Luminance	0.3588 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B778 #B73170

analogous

#31B735 #31B778 #31B3B7

triadic

#31B778 #7831B7 #B77831

tetradic

#31B778 #3531B7 #B73170 #B3B731

square

#31B778 #3531B7 #B73170 #B3B731

split-complementary

#31B778 #B731B3 #B73531

monochromatic

#175639 #248758 #31B778 #54D196 #84DEB4

Accessibility & contrast

On white

2.57

#31B778 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.18

#31B778 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B778

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B778	#FFFFFF	#000000	##000000
##31B778	1.00	2.57	8.18	8.18
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.18	21.00	1.00	1.00
##000000	8.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A974

Deuteranopia (green-blind)

#A59D7C

Tritanopia (blue-blind)

#00B6A7

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #31b778;
/* rgb */ color: rgb(49, 183, 120);
/* oklch */ color: oklch(69.3% 0.147 157.8);

Tailwind

colors: {
  custom: {
    50: '#7cce9f',
    500: '#31b778',
    950: '#000000',
  },
}

SCSS

$custom: #31b778;
$custom-light: #7cce9f;
$custom-dark: #000000;

JSON

{
  "hex": "#31b778",
  "rgb": {
    "r": 49,
    "g": 183,
    "b": 120
  },
  "hsl": {
    "h": 151.791,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.69325,
    "c": 0.14698,
    "h": 157.8
  },
  "luminance": 0.35876
}

Semantic roles & 50–950 ramp

primary

#31B778

secondary

#C87CA0

accent

#478FE1

background

#F8FCF9

surface

#EFF9F2

border

#CAD2CC

text

#0B140E

muted

#7C827E

Preview Lab

Preview with #31B778

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

Preview Lab → · Contrast checker → · Palette generator →