#40D399#40D399

#40D399 is a light, vivid teal. Relative luminance 0.500; OKLCH L 77.5% C 0.149 H 162.4°. Best body text is #000000 at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#40D399
RGB	rgb(64, 211, 153)
HSL	hsl(156, 63%, 54%)
HSV	hsv(156, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 27.5%, 17.3%)
CIE-LAB	lab(76.05, -52.04, 17.74)
CIE-LCH	lch(76.05, 54.98, 161.18°)
OKLab	oklab(77.54% -0.1425 0.0452)
OKLCH	oklch(77.54% 0.15 162.4)
XYZ	xyz(31.1551, 49.9749, 38.1350)
Luminance	0.4998 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D399 #D3407A

analogous

#40D350 #40D399 #40C3D3

triadic

#40D399 #9940D3 #D39940

tetradic

#40D399 #5040D3 #D3407A #C3D340

square

#40D399 #5040D3 #D3407A #C3D340

split-complementary

#40D399 #D340C3 #D35040

monochromatic

#1D7C56 #28AE79 #40D399 #72DEB4 #A3EACE

Accessibility & contrast

On white

1.91

#40D399 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.00

#40D399 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D399

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D399	#FFFFFF	#000000	##000000
##40D399	1.00	1.91	11.00	11.00
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.00	21.00	1.00	1.00
##000000	11.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0C496

Deuteranopia (green-blind)

#BDB69D

Tritanopia (blue-blind)

#00D3C3

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #40d399;
/* rgb */ color: rgb(64, 211, 153);
/* oklch */ color: oklch(77.5% 0.149 162.4);

Tailwind

colors: {
  custom: {
    50: '#87e1b7',
    500: '#40d399',
    950: '#000000',
  },
}

SCSS

$custom: #40d399;
$custom-light: #87e1b7;
$custom-dark: #000000;

JSON

{
  "hex": "#40d399",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 153
  },
  "hsl": {
    "h": 156.327,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.7754,
    "c": 0.1495,
    "h": 162.4
  },
  "luminance": 0.49978
}

Semantic roles & 50–950 ramp

primary

#40D399

secondary

#D798B1

accent

#4283E6

background

#F9FDFB

surface

#F1FBF6

border

#CBD4D0

text

#0D1511

muted

#7E8380

Preview Lab

Preview with #40D399

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

Preview Lab → · Contrast checker → · Palette generator →