#31B981#31B981

#31B981 is a light, vivid teal. Relative luminance 0.369; OKLCH L 70.0% C 0.142 H 160.9°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#31B981
RGB	rgb(49, 185, 129)
HSL	hsl(155, 58%, 46%)
HSV	hsv(155, 74%, 73%)
CMYK	cmyk(73.5%, 0%, 30.3%, 27.5%)
CIE-LAB	lab(67.23, -49.09, 18.31)
CIE-LCH	lch(67.23, 52.39, 159.55°)
OKLab	oklab(70.04% -0.1338 0.0465)
OKLCH	oklch(70.04% 0.142 160.9)
XYZ	xyz(22.5757, 36.9332, 26.7036)
Luminance	0.3694 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B981 #B93169

analogous

#31B93D #31B981 #31ADB9

triadic

#31B981 #8131B9 #B98131

tetradic

#31B981 #3D31B9 #B93169 #ADB931

square

#31B981 #3D31B9 #B93169 #ADB931

split-complementary

#31B981 #B931AD #B93D31

monochromatic

#17583E #24895F #31B981 #55D29F #86DFBA

Accessibility & contrast

On white

2.50

#31B981 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.39

#31B981 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B981

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B981	#FFFFFF	#000000	##000000
##31B981	1.00	2.50	8.39	8.39
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.39	21.00	1.00	1.00
##000000	8.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6AB7E

Deuteranopia (green-blind)

#A59F85

Tritanopia (blue-blind)

#00B8AA

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #31b981;
/* rgb */ color: rgb(49, 185, 129);
/* oklch */ color: oklch(70.0% 0.142 160.9);

Tailwind

colors: {
  custom: {
    50: '#7dcfa5',
    500: '#31b981',
    950: '#000000',
  },
}

SCSS

$custom: #31b981;
$custom-light: #7dcfa5;
$custom-dark: #000000;

JSON

{
  "hex": "#31b981",
  "rgb": {
    "r": 49,
    "g": 185,
    "b": 129
  },
  "hsl": {
    "h": 155.294,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.70044,
    "c": 0.14164,
    "h": 160.9
  },
  "luminance": 0.36936
}

Semantic roles & 50–950 ramp

primary

#31B981

secondary

#C87D9C

accent

#4686E1

background

#F8FCFA

surface

#EFF9F4

border

#CAD2CE

text

#0B140F

muted

#7C827F

Preview Lab

Preview with #31B981

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

Preview Lab → · Contrast checker → · Palette generator →