#31B57B#31B57B

#31B57B is a light, vivid teal. Relative luminance 0.351; OKLCH L 68.9% C 0.142 H 159.4°. Best body text is #000000 at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#31B57B
RGB	rgb(49, 181, 123)
HSL	hsl(154, 57%, 45%)
HSV	hsv(154, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 32%, 29%)
CIE-LAB	lab(65.85, -48.79, 19.65)
CIE-LCH	lch(65.85, 52.60, 158.06°)
OKLab	oklab(68.87% -0.1326 0.0497)
OKLCH	oklch(68.87% 0.142 159.4)
XYZ	xyz(21.3635, 35.1283, 24.3896)
Luminance	0.3513 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B57B #B5316B

analogous

#31B539 #31B57B #31ADB5

triadic

#31B57B #7B31B5 #B57B31

tetradic

#31B57B #3931B5 #B5316B #ADB531

square

#31B57B #3931B5 #B5316B #ADB531

split-complementary

#31B57B #B531AD #B53931

monochromatic

#17553A #24855A #31B57B #53D099 #83DDB6

Accessibility & contrast

On white

2.62

#31B57B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.03

#31B57B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B57B

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B57B	#FFFFFF	#000000	##000000
##31B57B	1.00	2.62	8.03	8.03
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.03	21.00	1.00	1.00
##000000	8.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A777

Deuteranopia (green-blind)

#A39B7F

Tritanopia (blue-blind)

#00B4A6

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #31b57b;
/* rgb */ color: rgb(49, 181, 123);
/* oklch */ color: oklch(68.9% 0.142 159.4);

Tailwind

colors: {
  custom: {
    50: '#7ccca1',
    500: '#31b57b',
    950: '#000000',
  },
}

SCSS

$custom: #31b57b;
$custom-light: #7ccca1;
$custom-dark: #000000;

JSON

{
  "hex": "#31b57b",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 123
  },
  "hsl": {
    "h": 153.636,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.68871,
    "c": 0.14167,
    "h": 159.4
  },
  "luminance": 0.35131
}

Semantic roles & 50–950 ramp

primary

#31B57B

secondary

#C77B9C

accent

#478BE1

background

#F8FCF9

surface

#EFF9F2

border

#CAD2CC

text

#0B130F

muted

#7C827E

Preview Lab

Preview with #31B57B

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

Preview Lab → · Contrast checker → · Palette generator →