#40BF9B#40BF9B

#40BF9B is a light, vivid teal. Relative luminance 0.407; OKLCH L 72.6% C 0.123 H 170.3°. Best body text is #000000 at 9.14:1 contrast (WCAG AA passes).

Color values

HEX#40BF9B
RGBrgb(64, 191, 155)
HSLhsl(163, 50%, 50%)
HSVhsv(163, 66%, 75%)
CMYKcmyk(66.5%, 0%, 18.8%, 25.1%)
CIE-LABlab(69.98, -43.29, 8.10)
CIE-LCHlch(69.98, 44.04, 169.41°)
OKLaboklab(72.58% -0.1213 0.0207)
OKLCHoklch(72.58% 0.123 170.3)
XYZxyz(26.6585, 40.7152, 37.4579)
Luminance0.4072 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40BF9B #BF4064
analogous
#40BF5B #40BF9B #40A4BF
triadic
#40BF9B #9B40BF #BF9B40
tetradic
#40BF9B #5B40BF #BF4064 #A4BF40
square
#40BF9B #5B40BF #BF4064 #A4BF40
split-complementary
#40BF9B #BF40A4 #BF5B40
monochromatic
#216351 #319176 #40BF9B #6ECEB3 #9CDECB

Accessibility & contrast

On white

2.30
#40BF9B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.14
#40BF9B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BF9B
9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40BF9B#FFFFFF#000000##000000
##40BF9B1.002.309.149.14
#FFFFFF2.301.0021.0021.00
#0000009.1421.001.001.00
##0000009.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#BAB399
Deuteranopia (green-blind)
#A8A69D
Tritanopia (blue-blind)
#00C0B5
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #40bf9b;
/* rgb */ color: rgb(64, 191, 155);
/* oklch */ color: oklch(72.6% 0.123 170.3);
Tailwind
colors: {
  custom: {
    50: '#84d3b8',
    500: '#40bf9b',
    950: '#000000',
  },
}
SCSS
$custom: #40bf9b;
$custom-light: #84d3b8;
$custom-dark: #000000;
JSON
{
  "hex": "#40bf9b",
  "rgb": {
    "r": 64,
    "g": 191,
    "b": 155
  },
  "hsl": {
    "h": 162.992,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.72576,
    "c": 0.12303,
    "h": 170.3
  },
  "luminance": 0.40718
}

Semantic roles & 50–950 ramp

primary
#40BF9B
secondary
#CA91A1
accent
#4E76D9
background
#F8FDFB
surface
#F0FAF6
border
#CBD3D0
text
#0C1411
muted
#7D8380

Preview Lab

Preview with #40BF9B

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

Preview Lab → · Contrast checker → · Palette generator →

#40BF9B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva