#40CB9B#40CB9B

#40CB9B is a light, vivid teal. Relative luminance 0.462; OKLCH L 75.6% C 0.138 H 165.7°. Best body text is #000000 at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#40CB9B
RGB	rgb(64, 203, 155)
HSL	hsl(159, 57%, 52%)
HSV	hsv(159, 68%, 80%)
CMYK	cmyk(68.5%, 0%, 23.6%, 20.4%)
CIE-LAB	lab(73.65, -48.35, 13.31)
CIE-LCH	lch(73.65, 50.15, 164.61°)
OKLab	oklab(75.59% -0.1336 0.034)
OKLCH	oklch(75.59% 0.138 165.7)
XYZ	xyz(29.3835, 46.1651, 38.3662)
Luminance	0.4617 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CB9B #CB4070

analogous

#40CB56 #40CB9B #40B5CB

triadic

#40CB9B #9B40CB #CB9B40

tetradic

#40CB9B #5640CB #CB4070 #B5CB40

square

#40CB9B #5640CB #CB4070 #B5CB40

split-complementary

#40CB9B #CB40B5 #CB5640

monochromatic

#1F7255 #2CA279 #40CB9B #70D8B4 #A0E5CD

Accessibility & contrast

On white

2.05

#40CB9B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.23

#40CB9B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CB9B

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CB9B	#FFFFFF	#000000	##000000
##40CB9B	1.00	2.05	10.23	10.23
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.23	21.00	1.00	1.00
##000000	10.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7BD98

Deuteranopia (green-blind)

#B4B09E

Tritanopia (blue-blind)

#00CBBE

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #40cb9b;
/* rgb */ color: rgb(64, 203, 155);
/* oklch */ color: oklch(75.6% 0.138 165.7);

Tailwind

colors: {
  custom: {
    50: '#86dcb8',
    500: '#40cb9b',
    950: '#000000',
  },
}

SCSS

$custom: #40cb9b;
$custom-light: #86dcb8;
$custom-dark: #000000;

JSON

{
  "hex": "#40cb9b",
  "rgb": {
    "r": 64,
    "g": 203,
    "b": 155
  },
  "hsl": {
    "h": 159.281,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.75585,
    "c": 0.13783,
    "h": 165.7
  },
  "luminance": 0.46168
}

Semantic roles & 50–950 ramp

primary

#40CB9B

secondary

#D295AA

accent

#477CE0

background

#F8FDFB

surface

#F0FBF6

border

#CBD4D0

text

#0C1511

muted

#7D8380

Preview Lab

Preview with #40CB9B

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

Preview Lab → · Contrast checker → · Palette generator →