#40E1B4#40E1B4

#40E1B4 is a light, vivid teal. Relative luminance 0.582; OKLCH L 81.7% C 0.146 H 169.7°. Best body text is #000000 at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#40E1B4
RGB	rgb(64, 225, 180)
HSL	hsl(163, 73%, 57%)
HSV	hsv(163, 72%, 88%)
CMYK	cmyk(71.6%, 0%, 20%, 11.8%)
CIE-LAB	lab(80.87, -51.55, 10.24)
CIE-LCH	lch(80.87, 52.56, 168.77°)
OKLab	oklab(81.68% -0.1438 0.0261)
OKLCH	oklch(81.68% 0.146 169.7)
XYZ	xyz(37.2734, 58.2313, 52.4465)
Luminance	0.5824 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E1B4 #E1406D

analogous

#40E164 #40E1B4 #40BEE1

triadic

#40E1B4 #B440E1 #E1B440

tetradic

#40E1B4 #6440E1 #E1406D #BEE140

square

#40E1B4 #6440E1 #E1406D #BEE140

split-complementary

#40E1B4 #E140BE #E16440

monochromatic

#17906E #1FC596 #40E1B4 #75E9C9 #AAF2DE

Accessibility & contrast

On white

1.66

#40E1B4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.65

#40E1B4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E1B4

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E1B4	#FFFFFF	#000000	##000000
##40E1B4	1.00	1.66	12.65	12.65
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.65	21.00	1.00	1.00
##000000	12.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBD2B2

Deuteranopia (green-blind)

#C6C2B7

Tritanopia (blue-blind)

#00E2D4

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #40e1b4;
/* rgb */ color: rgb(64, 225, 180);
/* oklch */ color: oklch(81.7% 0.146 169.7);

Tailwind

colors: {
  custom: {
    50: '#8aebca',
    500: '#40e1b4',
    950: '#000000',
  },
}

SCSS

$custom: #40e1b4;
$custom-light: #8aebca;
$custom-dark: #000000;

JSON

{
  "hex": "#40e1b4",
  "rgb": {
    "r": 64,
    "g": 225,
    "b": 180
  },
  "hsl": {
    "h": 163.23,
    "s": 72.851,
    "l": 56.667
  },
  "oklch": {
    "l": 0.81679,
    "c": 0.14618,
    "h": 169.7
  },
  "luminance": 0.58236
}

Semantic roles & 50–950 ramp

primary

#40E1B4

secondary

#95304C

accent

#386BF0

background

#FCFFFD

surface

#F4FEF9

border

#CED6D2

text

#0D1613

muted

#7F8582

Preview Lab

Preview with #40E1B4

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

Preview Lab → · Contrast checker → · Palette generator →