#31B590#31B590

#31B590 is a light, vivid teal. Relative luminance 0.357; OKLCH L 69.4% C 0.125 H 169.6°. Best body text is #000000 at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#31B590
RGB	rgb(49, 181, 144)
HSL	hsl(163, 57%, 45%)
HSV	hsv(163, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 20.4%, 29%)
CIE-LAB	lab(66.30, -43.97, 8.83)
CIE-LCH	lch(66.30, 44.84, 168.65°)
OKLab	oklab(69.39% -0.1226 0.0225)
OKLCH	oklch(69.39% 0.125 169.6)
XYZ	xyz(22.8219, 35.7116, 32.0704)
Luminance	0.3571 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B590 #B53156

analogous

#31B54E #31B590 #3198B5

triadic

#31B590 #9031B5 #B59031

tetradic

#31B590 #4E31B5 #B53156 #98B531

square

#31B590 #4E31B5 #B53156 #98B531

split-complementary

#31B590 #B53198 #B54E31

monochromatic

#175543 #24856A #31B590 #53D0AD #83DDC4

Accessibility & contrast

On white

2.58

#31B590 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.14

#31B590 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B590

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B590	#FFFFFF	#000000	##000000
##31B590	1.00	2.58	8.14	8.14
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.14	21.00	1.00	1.00
##000000	8.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0A98E

Deuteranopia (green-blind)

#9F9C93

Tritanopia (blue-blind)

#00B6AA

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #31b590;
/* rgb */ color: rgb(49, 181, 144);
/* oklch */ color: oklch(69.4% 0.125 169.6);

Tailwind

colors: {
  custom: {
    50: '#7cccb0',
    500: '#31b590',
    950: '#000000',
  },
}

SCSS

$custom: #31b590;
$custom-light: #7cccb0;
$custom-dark: #000000;

JSON

{
  "hex": "#31b590",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 144
  },
  "hsl": {
    "h": 163.182,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.69389,
    "c": 0.12465,
    "h": 169.6
  },
  "luminance": 0.35714
}

Semantic roles & 50–950 ramp

primary

#31B590

secondary

#C77B90

accent

#4772E1

background

#F8FCFA

surface

#EFF9F4

border

#CAD2CE

text

#0B1310

muted

#7C827F

Preview Lab

Preview with #31B590

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

Preview Lab → · Contrast checker → · Palette generator →