#40CB9F#40CB9F

#40CB9F is a light, vivid teal. Relative luminance 0.463; OKLCH L 75.7% C 0.135 H 167.6°. Best body text is #000000 at 10.26:1 contrast (WCAG AA passes).

Color values

HEX#40CB9F
RGBrgb(64, 203, 159)
HSLhsl(161, 57%, 52%)
HSVhsv(161, 68%, 80%)
CMYKcmyk(68.5%, 0%, 21.7%, 20.4%)
CIE-LABlab(73.74, -47.43, 11.29)
CIE-LCHlch(73.74, 48.75, 166.61°)
OKLaboklab(75.69% -0.1317 0.0289)
OKLCHoklch(75.69% 0.135 167.6)
XYZxyz(29.7250, 46.3017, 40.1647)
Luminance0.4631 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40CB9F #CB406C
analogous
#40CB59 #40CB9F #40B2CB
triadic
#40CB9F #9F40CB #CB9F40
tetradic
#40CB9F #5940CB #CB406C #B2CB40
square
#40CB9F #5940CB #CB406C #B2CB40
split-complementary
#40CB9F #CB40B2 #CB5940
monochromatic
#1F7257 #2CA27C #40CB9F #70D8B7 #A0E5CF

Accessibility & contrast

On white

2.05
#40CB9F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.26
#40CB9F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CB9F
10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40CB9F#FFFFFF#000000##000000
##40CB9F1.002.0510.2610.26
#FFFFFF2.051.0021.0021.00
#00000010.2621.001.001.00
##00000010.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#C6BD9D
Deuteranopia (green-blind)
#B4B0A2
Tritanopia (blue-blind)
#00CCBF
Achromatopsia (no color)
#B5B5B5

Design tokens & code

CSS
--color: #40cb9f;
/* rgb */ color: rgb(64, 203, 159);
/* oklch */ color: oklch(75.7% 0.135 167.6);
Tailwind
colors: {
  custom: {
    50: '#86dcbb',
    500: '#40cb9f',
    950: '#000000',
  },
}
SCSS
$custom: #40cb9f;
$custom-light: #86dcbb;
$custom-dark: #000000;
JSON
{
  "hex": "#40cb9f",
  "rgb": {
    "r": 64,
    "g": 203,
    "b": 159
  },
  "hsl": {
    "h": 161.007,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.75686,
    "c": 0.13482,
    "h": 167.6
  },
  "luminance": 0.46305
}

Semantic roles & 50–950 ramp

primary
#40CB9F
secondary
#D295A8
accent
#4778E0
background
#F8FDFB
surface
#F0FBF6
border
#CBD4D0
text
#0C1511
muted
#7D8380

Preview Lab

Preview with #40CB9F

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

Preview Lab → · Contrast checker → · Palette generator →

#40CB9F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva