#40BF81#40BF81

#40BF81 is a light, vivid teal. Relative luminance 0.399; OKLCH L 71.9% C 0.144 H 158.0°. Best body text is #000000 at 8.99:1 contrast (WCAG AA passes).

Color values

HEX#40BF81
RGBrgb(64, 191, 129)
HSLhsl(151, 50%, 50%)
HSVhsv(151, 66%, 75%)
CMYKcmyk(66.5%, 0%, 32.5%, 25.1%)
CIE-LABlab(69.42, -49.10, 21.37)
CIE-LCHlch(69.42, 53.55, 156.49°)
OKLaboklab(71.94% -0.1335 0.054)
OKLCHoklch(71.94% 0.144 158)
XYZxyz(24.7053, 39.9339, 27.1706)
Luminance0.3994 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40BF81 #BF407E
analogous
#40BF42 #40BF81 #40BDBF
triadic
#40BF81 #8140BF #BF8140
tetradic
#40BF81 #4240BF #BF407E #BDBF40
square
#40BF81 #4240BF #BF407E #BDBF40
split-complementary
#40BF81 #BF40BD #BF4240
monochromatic
#216343 #319162 #40BF81 #6ECE9F #9CDEBD

Accessibility & contrast

On white

2.34
#40BF81 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.99
#40BF81 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BF81
8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40BF81#FFFFFF#000000##000000
##40BF811.002.348.998.99
#FFFFFF2.341.0021.0021.00
#0000008.9921.001.001.00
##0000008.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#BDB17D
Deuteranopia (green-blind)
#ADA585
Tritanopia (blue-blind)
#00BEAF
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #40bf81;
/* rgb */ color: rgb(64, 191, 129);
/* oklch */ color: oklch(71.9% 0.144 158.0);
Tailwind
colors: {
  custom: {
    50: '#83d3a6',
    500: '#40bf81',
    950: '#000000',
  },
}
SCSS
$custom: #40bf81;
$custom-light: #83d3a6;
$custom-dark: #000000;
JSON
{
  "hex": "#40bf81",
  "rgb": {
    "r": 64,
    "g": 191,
    "b": 129
  },
  "hsl": {
    "h": 150.709,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.7194,
    "c": 0.14401,
    "h": 158
  },
  "luminance": 0.39937
}

Semantic roles & 50–950 ramp

primary
#40BF81
secondary
#CA91AD
accent
#4E92D9
background
#F8FDFA
surface
#F0FAF4
border
#CBD3CE
text
#0C140F
muted
#7D837F

Preview Lab

Preview with #40BF81

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

Preview Lab → · Contrast checker → · Palette generator →

#40BF81 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva