#31B173#31B173

#31B173 is a light, vivid teal. Relative luminance 0.333; OKLCH L 67.7% C 0.144 H 157.3°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#31B173
RGB	rgb(49, 177, 115)
HSL	hsl(151, 57%, 44%)
HSV	hsv(151, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 35%, 30.6%)
CIE-LAB	lab(64.43, -48.88, 22.04)
CIE-LCH	lch(64.43, 53.62, 155.73°)
OKLab	oklab(67.65% -0.1324 0.0555)
OKLCH	oklch(67.65% 0.144 157.3)
XYZ	xyz(20.0813, 33.3327, 21.5919)
Luminance	0.3333 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B173 #B1316F

analogous

#31B133 #31B173 #31AFB1

triadic

#31B173 #7331B1 #B17331

tetradic

#31B173 #3331B1 #B1316F #AFB131

square

#31B173 #3331B1 #B1316F #AFB131

split-complementary

#31B173 #B131AF #B13331

monochromatic

#165135 #248154 #31B173 #51CF92 #80DCB0

Accessibility & contrast

On white

2.74

#31B173 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.67

#31B173 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B173

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B173	#FFFFFF	#000000	##000000
##31B173	1.00	2.74	7.67	7.67
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.67	21.00	1.00	1.00
##000000	7.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0A36F

Deuteranopia (green-blind)

#A09877

Tritanopia (blue-blind)

#00B0A1

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b173;
/* rgb */ color: rgb(49, 177, 115);
/* oklch */ color: oklch(67.7% 0.144 157.3);

Tailwind

colors: {
  custom: {
    50: '#7bc99b',
    500: '#31b173',
    950: '#000000',
  },
}

SCSS

$custom: #31b173;
$custom-light: #7bc99b;
$custom-dark: #000000;

JSON

{
  "hex": "#31b173",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 115
  },
  "hsl": {
    "h": 150.938,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.67653,
    "c": 0.14357,
    "h": 157.3
  },
  "luminance": 0.33335
}

Semantic roles & 50–950 ramp

primary

#31B173

secondary

#C5799E

accent

#4892E0

background

#F8FCF9

surface

#EFF8F2

border

#CAD1CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #31B173

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

Preview Lab → · Contrast checker → · Palette generator →