#40CB91#40CB91

#40CB91 is a light, vivid teal. Relative luminance 0.458; OKLCH L 75.3% C 0.146 H 161.3°. Best body text is #000000 at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#40CB91
RGB	rgb(64, 203, 145)
HSL	hsl(155, 57%, 52%)
HSV	hsv(155, 68%, 80%)
CMYK	cmyk(68.5%, 0%, 28.6%, 20.4%)
CIE-LAB	lab(73.44, -50.57, 18.36)
CIE-LCH	lch(73.44, 53.80, 160.04°)
OKLab	oklab(75.34% -0.1382 0.0467)
OKLCH	oklch(75.34% 0.146 161.3)
XYZ	xyz(28.5782, 45.8430, 34.1250)
Luminance	0.4585 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CB91 #CB407A

analogous

#40CB4B #40CB91 #40C0CB

triadic

#40CB91 #9140CB #CB9140

tetradic

#40CB91 #4B40CB #CB407A #C0CB40

square

#40CB91 #4B40CB #CB407A #C0CB40

split-complementary

#40CB91 #CB40C0 #CB4B40

monochromatic

#1F724F #2CA271 #40CB91 #70D8AD #A0E5C8

Accessibility & contrast

On white

2.07

#40CB91 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.17

#40CB91 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CB91

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CB91	#FFFFFF	#000000	##000000
##40CB91	1.00	2.07	10.17	10.17
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.17	21.00	1.00	1.00
##000000	10.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8BC8E

Deuteranopia (green-blind)

#B6AF95

Tritanopia (blue-blind)

#00CABB

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #40cb91;
/* rgb */ color: rgb(64, 203, 145);
/* oklch */ color: oklch(75.3% 0.146 161.3);

Tailwind

colors: {
  custom: {
    50: '#86dcb1',
    500: '#40cb91',
    950: '#000000',
  },
}

SCSS

$custom: #40cb91;
$custom-light: #86dcb1;
$custom-dark: #000000;

JSON

{
  "hex": "#40cb91",
  "rgb": {
    "r": 64,
    "g": 203,
    "b": 145
  },
  "hsl": {
    "h": 154.964,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.75344,
    "c": 0.14591,
    "h": 161.3
  },
  "luminance": 0.45846
}

Semantic roles & 50–950 ramp

primary

#40CB91

secondary

#D295AE

accent

#4787E0

background

#F8FDFA

surface

#F0FBF5

border

#CBD4CF

text

#0C1510

muted

#7D837F

Preview Lab

Preview with #40CB91

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

Preview Lab → · Contrast checker → · Palette generator →