#40CB90#40CB90

#40CB90 is a light, vivid teal. Relative luminance 0.458; OKLCH L 75.3% C 0.147 H 160.9°. Best body text is #000000 at 10.16:1 contrast (WCAG AA passes).

Color values

HEX#40CB90
RGBrgb(64, 203, 144)
HSLhsl(155, 57%, 52%)
HSVhsv(155, 68%, 80%)
CMYKcmyk(68.5%, 0%, 29.1%, 20.4%)
CIE-LABlab(73.42, -50.78, 18.86)
CIE-LCHlch(73.42, 54.17, 159.62°)
OKLaboklab(75.32% -0.1387 0.048)
OKLCHoklch(75.32% 0.147 160.9)
XYZxyz(28.5014, 45.8123, 33.7207)
Luminance0.4582 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40CB90 #CB407B
analogous
#40CB4A #40CB90 #40C1CB
triadic
#40CB90 #9040CB #CB9040
tetradic
#40CB90 #4A40CB #CB407B #C1CB40
square
#40CB90 #4A40CB #CB407B #C1CB40
split-complementary
#40CB90 #CB40C1 #CB4A40
monochromatic
#1F724F #2CA270 #40CB90 #70D8AC #A0E5C8

Accessibility & contrast

On white

2.07
#40CB90 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.16
#40CB90 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CB90
10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40CB90#FFFFFF#000000##000000
##40CB901.002.0710.1610.16
#FFFFFF2.071.0021.0021.00
#00000010.1621.001.001.00
##00000010.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#C8BC8D
Deuteranopia (green-blind)
#B6AF94
Tritanopia (blue-blind)
#00CABB
Achromatopsia (no color)
#B4B4B4

Design tokens & code

CSS
--color: #40cb90;
/* rgb */ color: rgb(64, 203, 144);
/* oklch */ color: oklch(75.3% 0.147 160.9);
Tailwind
colors: {
  custom: {
    50: '#86dcb0',
    500: '#40cb90',
    950: '#000000',
  },
}
SCSS
$custom: #40cb90;
$custom-light: #86dcb0;
$custom-dark: #000000;
JSON
{
  "hex": "#40cb90",
  "rgb": {
    "r": 64,
    "g": 203,
    "b": 144
  },
  "hsl": {
    "h": 154.532,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.75321,
    "c": 0.14675,
    "h": 160.9
  },
  "luminance": 0.45815
}

Semantic roles & 50–950 ramp

primary
#40CB90
secondary
#D295AF
accent
#4788E0
background
#F8FDFA
surface
#F0FBF5
border
#CBD4CF
text
#0C1510
muted
#7D837F

Preview Lab

Preview with #40CB90

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

Preview Lab → · Contrast checker → · Palette generator →

#40CB90 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva