#31B178#31B178

#31B178 is a light, vivid teal. Relative luminance 0.335; OKLCH L 67.8% C 0.139 H 159.3°. Best body text is #000000 at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#31B178
RGB	rgb(49, 177, 120)
HSL	hsl(153, 57%, 44%)
HSV	hsv(153, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 32.2%, 30.6%)
CIE-LAB	lab(64.52, -47.84, 19.47)
CIE-LCH	lch(64.52, 51.65, 157.85°)
OKLab	oklab(67.76% -0.13 0.0493)
OKLCH	oklch(67.76% 0.139 159.3)
XYZ	xyz(20.3769, 33.4510, 23.1484)
Luminance	0.3345 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B178 #B1316A

analogous

#31B138 #31B178 #31AAB1

triadic

#31B178 #7831B1 #B17831

tetradic

#31B178 #3831B1 #B1316A #AAB131

square

#31B178 #3831B1 #B1316A #AAB131

split-complementary

#31B178 #B131AA #B13831

monochromatic

#165137 #248158 #31B178 #51CF97 #80DCB3

Accessibility & contrast

On white

2.73

#31B178 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.69

#31B178 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B178

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B178	#FFFFFF	#000000	##000000
##31B178	1.00	2.73	7.69	7.69
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.69	21.00	1.00	1.00
##000000	7.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFA375

Deuteranopia (green-blind)

#9F987C

Tritanopia (blue-blind)

#00B0A2

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b178;
/* rgb */ color: rgb(49, 177, 120);
/* oklch */ color: oklch(67.8% 0.139 159.3);

Tailwind

colors: {
  custom: {
    50: '#7bc99f',
    500: '#31b178',
    950: '#000000',
  },
}

SCSS

$custom: #31b178;
$custom-light: #7bc99f;
$custom-dark: #000000;

JSON

{
  "hex": "#31b178",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 120
  },
  "hsl": {
    "h": 153.281,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.67762,
    "c": 0.13906,
    "h": 159.3
  },
  "luminance": 0.33453
}

Semantic roles & 50–950 ramp

primary

#31B178

secondary

#C5799B

accent

#488CE0

background

#F8FCF9

surface

#EFF8F2

border

#CAD1CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #31B178

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

Preview Lab → · Contrast checker → · Palette generator →