#40D990#40D990

#40D990 is a light, vivid teal. Relative luminance 0.527; OKLCH L 78.8% C 0.165 H 157.8°. Best body text is #000000 at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#40D990
RGB	rgb(64, 217, 144)
HSL	hsl(151, 67%, 55%)
HSV	hsv(151, 71%, 85%)
CMYK	cmyk(70.5%, 0%, 33.6%, 14.9%)
CIE-LAB	lab(77.71, -56.25, 24.74)
CIE-LCH	lch(77.71, 61.45, 156.26°)
OKLab	oklab(78.85% -0.1526 0.0624)
OKLCH	oklch(78.85% 0.165 157.8)
XYZ	xyz(31.9581, 52.7257, 34.8730)
Luminance	0.5273 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D990 #D94089

analogous

#40D944 #40D990 #40D5D9

triadic

#40D990 #9040D9 #D99040

tetradic

#40D990 #4440D9 #D94089 #D5D940

square

#40D990 #4440D9 #D94089 #D5D940

split-complementary

#40D990 #D940D5 #D94440

monochromatic

#1A8452 #24B771 #40D990 #73E3AE #A6EDCB

Accessibility & contrast

On white

1.82

#40D990 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.55

#40D990 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D990

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D990	#FFFFFF	#000000	##000000
##40D990	1.00	1.82	11.55	11.55
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.55	21.00	1.00	1.00
##000000	11.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C88B

Deuteranopia (green-blind)

#C4BB95

Tritanopia (blue-blind)

#00D7C6

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #40d990;
/* rgb */ color: rgb(64, 217, 144);
/* oklch */ color: oklch(78.8% 0.165 157.8);

Tailwind

colors: {
  custom: {
    50: '#88e6b1',
    500: '#40d990',
    950: '#000000',
  },
}

SCSS

$custom: #40d990;
$custom-light: #88e6b1;
$custom-dark: #000000;

JSON

{
  "hex": "#40d990",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 144
  },
  "hsl": {
    "h": 151.373,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.78847,
    "c": 0.16482,
    "h": 157.8
  },
  "luminance": 0.52729
}

Semantic roles & 50–950 ramp

primary

#40D990

secondary

#8B325D

accent

#3E90EA

background

#FCFEFD

surface

#F4FCF7

border

#CED5D0

text

#0D1610

muted

#7F8481

Preview Lab

Preview with #40D990

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

Preview Lab → · Contrast checker → · Palette generator →