#40B57E#40B57E

#40B57E is a light, vivid teal. Relative luminance 0.356; OKLCH L 69.3% C 0.133 H 159.2°. Best body text is #000000 at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#40B57E
RGB	rgb(64, 181, 126)
HSL	hsl(152, 48%, 48%)
HSV	hsv(152, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 30.4%, 29%)
CIE-LAB	lab(66.25, -45.65, 18.63)
CIE-LCH	lch(66.25, 49.31, 157.80°)
OKLab	oklab(69.31% -0.1245 0.0473)
OKLCH	oklch(69.31% 0.133 159.2)
XYZ	xyz(22.4020, 35.6417, 25.4336)
Luminance	0.3564 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B57E #B54077

analogous

#40B544 #40B57E #40B1B5

triadic

#40B57E #7E40B5 #B57E40

tetradic

#40B57E #4440B5 #B54077 #B1B540

square

#40B57E #4440B5 #B54077 #B1B540

split-complementary

#40B57E #B540B1 #B54440

monochromatic

#205B3F #30885F #40B57E #68CA9C #96DABA

Accessibility & contrast

On white

2.58

#40B57E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.13

#40B57E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B57E

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B57E	#FFFFFF	#000000	##000000
##40B57E	1.00	2.58	8.13	8.13
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.13	21.00	1.00	1.00
##000000	8.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A87B

Deuteranopia (green-blind)

#A49D82

Tritanopia (blue-blind)

#00B4A6

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40b57e;
/* rgb */ color: rgb(64, 181, 126);
/* oklch */ color: oklch(69.3% 0.133 159.2);

Tailwind

colors: {
  custom: {
    50: '#82cca3',
    500: '#40b57e',
    950: '#000000',
  },
}

SCSS

$custom: #40b57e;
$custom-light: #82cca3;
$custom-dark: #000000;

JSON

{
  "hex": "#40b57e",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 126
  },
  "hsl": {
    "h": 151.795,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.69313,
    "c": 0.13319,
    "h": 159.2
  },
  "luminance": 0.35644
}

Semantic roles & 50–950 ramp

primary

#40B57E

secondary

#C58BA7

accent

#5090D7

background

#F8FCFA

surface

#F0F9F4

border

#CBD2CE

text

#0B130F

muted

#7C827F

Preview Lab

Preview with #40B57E

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

Preview Lab → · Contrast checker → · Palette generator →