#31B781#31B781

#31B781 is a light, vivid teal. Relative luminance 0.361; OKLCH L 69.5% C 0.139 H 161.4°. Best body text is #000000 at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#31B781
RGB	rgb(49, 183, 129)
HSL	hsl(156, 58%, 45%)
HSV	hsv(156, 73%, 72%)
CMYK	cmyk(73.2%, 0%, 29.5%, 28.2%)
CIE-LAB	lab(66.60, -48.29, 17.44)
CIE-LCH	lch(66.60, 51.34, 160.14°)
OKLab	oklab(69.53% -0.1318 0.0443)
OKLCH	oklch(69.53% 0.139 161.4)
XYZ	xyz(22.1602, 36.1023, 26.5652)
Luminance	0.3610 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B781 #B73167

analogous

#31B73E #31B781 #31AAB7

triadic

#31B781 #8131B7 #B78131

tetradic

#31B781 #3E31B7 #B73167 #AAB731

square

#31B781 #3E31B7 #B73167 #AAB731

split-complementary

#31B781 #B731AA #B73E31

monochromatic

#17563D #24875F #31B781 #54D19F #84DEBA

Accessibility & contrast

On white

2.55

#31B781 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.22

#31B781 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B781

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B781	#FFFFFF	#000000	##000000
##31B781	1.00	2.55	8.22	8.22
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.22	21.00	1.00	1.00
##000000	8.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A97E

Deuteranopia (green-blind)

#A49D85

Tritanopia (blue-blind)

#00B7A9

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #31b781;
/* rgb */ color: rgb(49, 183, 129);
/* oklch */ color: oklch(69.5% 0.139 161.4);

Tailwind

colors: {
  custom: {
    50: '#7ccda5',
    500: '#31b781',
    950: '#000000',
  },
}

SCSS

$custom: #31b781;
$custom-light: #7ccda5;
$custom-dark: #000000;

JSON

{
  "hex": "#31b781",
  "rgb": {
    "r": 49,
    "g": 183,
    "b": 129
  },
  "hsl": {
    "h": 155.821,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.69527,
    "c": 0.13904,
    "h": 161.4
  },
  "luminance": 0.36105
}

Semantic roles & 50–950 ramp

primary

#31B781

secondary

#C87C9B

accent

#4785E1

background

#F8FCFA

surface

#EFF9F4

border

#CAD2CE

text

#0B140F

muted

#7C827F

Preview Lab

Preview with #31B781

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

Preview Lab → · Contrast checker → · Palette generator →