#40BF9E#40BF9E

#40BF9E is a light, vivid teal. Relative luminance 0.408; OKLCH L 72.7% C 0.121 H 172.1°. Best body text is #000000 at 9.16:1 contrast (WCAG AA passes).

Color values

HEX#40BF9E
RGBrgb(64, 191, 158)
HSLhsl(164, 50%, 50%)
HSVhsv(164, 66%, 75%)
CMYKcmyk(66.5%, 0%, 17.3%, 25.1%)
CIE-LABlab(70.05, -42.56, 6.56)
CIE-LCHlch(70.05, 43.07, 171.23°)
OKLaboklab(72.66% -0.1199 0.0167)
OKLCHoklch(72.66% 0.121 172.1)
XYZxyz(26.9136, 40.8172, 38.8012)
Luminance0.4082 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40BF9E #BF4061
analogous
#40BF5E #40BF9E #40A1BF
triadic
#40BF9E #9E40BF #BF9E40
tetradic
#40BF9E #5E40BF #BF4061 #A1BF40
square
#40BF9E #5E40BF #BF4061 #A1BF40
split-complementary
#40BF9E #BF40A1 #BF5E40
monochromatic
#216352 #319178 #40BF9E #6ECEB5 #9CDECD

Accessibility & contrast

On white

2.29
#40BF9E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.16
#40BF9E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BF9E
9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40BF9E#FFFFFF#000000##000000
##40BF9E1.002.299.169.16
#FFFFFF2.291.0021.0021.00
#0000009.1621.001.001.00
##0000009.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#B9B39C
Deuteranopia (green-blind)
#A8A6A0
Tritanopia (blue-blind)
#00C1B5
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #40bf9e;
/* rgb */ color: rgb(64, 191, 158);
/* oklch */ color: oklch(72.7% 0.121 172.1);
Tailwind
colors: {
  custom: {
    50: '#84d3ba',
    500: '#40bf9e',
    950: '#000000',
  },
}
SCSS
$custom: #40bf9e;
$custom-light: #84d3ba;
$custom-dark: #000000;
JSON
{
  "hex": "#40bf9e",
  "rgb": {
    "r": 64,
    "g": 191,
    "b": 158
  },
  "hsl": {
    "h": 164.409,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.72658,
    "c": 0.12102,
    "h": 172.1
  },
  "luminance": 0.4082
}

Semantic roles & 50–950 ramp

primary
#40BF9E
secondary
#CA91A0
accent
#4E73D9
background
#F8FDFB
surface
#F0FAF6
border
#CBD3D0
text
#0C1411
muted
#7D8380

Preview Lab

Preview with #40BF9E

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

Preview Lab → · Contrast checker → · Palette generator →

#40BF9E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva