#31B478#31B478

#31B478 is a light, vivid teal. Relative luminance 0.347; OKLCH L 68.5% C 0.143 H 158.5°. Best body text is #000000 at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#31B478
RGB	rgb(49, 180, 120)
HSL	hsl(153, 57%, 45%)
HSV	hsv(153, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 33.3%, 29.4%)
CIE-LAB	lab(65.47, -49.03, 20.76)
CIE-LCH	lch(65.47, 53.24, 157.05°)
OKLab	oklab(68.54% -0.1331 0.0524)
OKLCH	oklch(68.54% 0.143 158.5)
XYZ	xyz(20.9760, 34.6491, 23.3481)
Luminance	0.3465 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B478 #B4316D

analogous

#31B437 #31B478 #31AFB4

triadic

#31B478 #7831B4 #B47831

tetradic

#31B478 #3731B4 #B4316D #AFB431

square

#31B478 #3731B4 #B4316D #AFB431

split-complementary

#31B478 #B431AF #B43731

monochromatic

#175438 #248458 #31B478 #52D096 #82DDB4

Accessibility & contrast

On white

2.65

#31B478 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.93

#31B478 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B478

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B478	#FFFFFF	#000000	##000000
##31B478	1.00	2.65	7.93	7.93
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.93	21.00	1.00	1.00
##000000	7.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A674

Deuteranopia (green-blind)

#A29A7C

Tritanopia (blue-blind)

#00B3A4

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #31b478;
/* rgb */ color: rgb(49, 180, 120);
/* oklch */ color: oklch(68.5% 0.143 158.5);

Tailwind

colors: {
  custom: {
    50: '#7bcb9f',
    500: '#31b478',
    950: '#000000',
  },
}

SCSS

$custom: #31b478;
$custom-light: #7bcb9f;
$custom-dark: #000000;

JSON

{
  "hex": "#31b478",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 120
  },
  "hsl": {
    "h": 152.519,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.68544,
    "c": 0.14303,
    "h": 158.5
  },
  "luminance": 0.34652
}

Semantic roles & 50–950 ramp

primary

#31B478

secondary

#C67B9D

accent

#478DE0

background

#F8FCF9

surface

#EFF9F2

border

#CAD2CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #31B478

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

Preview Lab → · Contrast checker → · Palette generator →