#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
RGBrgb(64, 225, 180)
HSLhsl(163, 73%, 57%)
HSVhsv(163, 72%, 88%)
CMYKcmyk(71.6%, 0%, 20%, 11.8%)
CIE-LABlab(80.87, -51.55, 10.24)
CIE-LCHlch(80.87, 52.56, 168.77°)
OKLaboklab(81.68% -0.1438 0.0261)
OKLCHoklch(81.68% 0.146 169.7)
XYZxyz(37.2734, 58.2313, 52.4465)
Luminance0.5824 (WCAG relative)
Temperatureneutral
Familyteal

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
##40E1B41.001.6612.6512.65
#FFFFFF1.661.0021.0021.00
#00000012.6521.001.001.00
##00000012.6521.001.001.00

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 →

#40E1B4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva