#40E1B5#40E1B5

#40E1B5 is a light, vivid teal. Relative luminance 0.583; OKLCH L 81.7% C 0.146 H 170.2°. Best body text is #000000 at 12.66:1 contrast (WCAG AA passes).

Color values

HEX#40E1B5
RGBrgb(64, 225, 181)
HSLhsl(164, 73%, 57%)
HSVhsv(164, 72%, 88%)
CMYKcmyk(71.6%, 0%, 19.6%, 11.8%)
CIE-LABlab(80.89, -51.31, 9.74)
CIE-LCHlch(80.89, 52.23, 169.25°)
OKLaboklab(81.71% -0.1434 0.0249)
OKLCHoklch(81.71% 0.146 170.2)
XYZxyz(37.3757, 58.2722, 52.9850)
Luminance0.5828 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40E1B5 #E1406C
analogous
#40E164 #40E1B5 #40BDE1
triadic
#40E1B5 #B540E1 #E1B540
tetradic
#40E1B5 #6440E1 #E1406C #BDE140
square
#40E1B5 #6440E1 #E1406C #BDE140
split-complementary
#40E1B5 #E140BD #E16440
monochromatic
#17906F #1FC598 #40E1B5 #75E9C9 #AAF2DE

Accessibility & contrast

On white

1.66
#40E1B5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.66
#40E1B5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E1B5
12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40E1B5#FFFFFF#000000##000000
##40E1B51.001.6612.6612.66
#FFFFFF1.661.0021.0021.00
#00000012.6621.001.001.00
##00000012.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#DBD2B3
Deuteranopia (green-blind)
#C5C3B8
Tritanopia (blue-blind)
#00E3D4
Achromatopsia (no color)
#C9C9C9

Design tokens & code

CSS
--color: #40e1b5;
/* rgb */ color: rgb(64, 225, 181);
/* oklch */ color: oklch(81.7% 0.146 170.2);
Tailwind
colors: {
  custom: {
    50: '#8aebcb',
    500: '#40e1b5',
    950: '#000000',
  },
}
SCSS
$custom: #40e1b5;
$custom-light: #8aebcb;
$custom-dark: #000000;
JSON
{
  "hex": "#40e1b5",
  "rgb": {
    "r": 64,
    "g": 225,
    "b": 181
  },
  "hsl": {
    "h": 163.602,
    "s": 72.851,
    "l": 56.667
  },
  "oklch": {
    "l": 0.81705,
    "c": 0.14551,
    "h": 170.2
  },
  "luminance": 0.58277
}

Semantic roles & 50–950 ramp

primary
#40E1B5
secondary
#95304C
accent
#386AF0
background
#FCFFFD
surface
#F4FEF9
border
#CED6D2
text
#0D1613
muted
#7F8582

Preview Lab

Preview with #40E1B5

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

Preview Lab → · Contrast checker → · Palette generator →

#40E1B5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva