#40B57F#40B57F

#40B57F is a light, vivid teal. Relative luminance 0.357; OKLCH L 69.3% C 0.132 H 159.7°. Best body text is #000000 at 8.13:1 contrast (WCAG AA passes).

Color values

HEX#40B57F
RGBrgb(64, 181, 127)
HSLhsl(152, 48%, 48%)
HSVhsv(152, 65%, 71%)
CMYKcmyk(64.6%, 0%, 29.8%, 29%)
CIE-LABlab(66.27, -45.44, 18.12)
CIE-LCHlch(66.27, 48.92, 158.26°)
OKLaboklab(69.34% -0.124 0.046)
OKLCHoklch(69.34% 0.132 159.7)
XYZxyz(22.4668, 35.6677, 25.7751)
Luminance0.3567 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B57F #B54076
analogous
#40B545 #40B57F #40B0B5
triadic
#40B57F #7F40B5 #B57F40
tetradic
#40B57F #4540B5 #B54076 #B0B540
square
#40B57F #4540B5 #B54076 #B0B540
split-complementary
#40B57F #B540B0 #B54540
monochromatic
#205B40 #30885F #40B57F #68CA9D #96DABA

Accessibility & contrast

On white

2.58
#40B57F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.13
#40B57F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B57F
8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B57F#FFFFFF#000000##000000
##40B57F1.002.588.138.13
#FFFFFF2.581.0021.0021.00
#0000008.1321.001.001.00
##0000008.1321.001.001.00

Color blindness preview

Protanopia (red-blind)
#B3A87C
Deuteranopia (green-blind)
#A39D82
Tritanopia (blue-blind)
#00B4A7
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #40b57f;
/* rgb */ color: rgb(64, 181, 127);
/* oklch */ color: oklch(69.3% 0.132 159.7);
Tailwind
colors: {
  custom: {
    50: '#82cca4',
    500: '#40b57f',
    950: '#000000',
  },
}
SCSS
$custom: #40b57f;
$custom-light: #82cca4;
$custom-dark: #000000;
JSON
{
  "hex": "#40b57f",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 127
  },
  "hsl": {
    "h": 152.308,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.69336,
    "c": 0.1323,
    "h": 159.7
  },
  "luminance": 0.3567
}

Semantic roles & 50–950 ramp

primary
#40B57F
secondary
#C58BA6
accent
#508FD7
background
#F8FCFA
surface
#F0F9F4
border
#CBD2CE
text
#0B130F
muted
#7C827F

Preview Lab

Preview with #40B57F

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

Preview Lab → · Contrast checker → · Palette generator →

#40B57F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva