#40B57B#40B57B

#40B57B is a light, vivid teal. Relative luminance 0.356; OKLCH L 69.2% C 0.136 H 157.9°. Best body text is #000000 at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#40B57B
RGB	rgb(64, 181, 123)
HSL	hsl(150, 48%, 48%)
HSV	hsv(150, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 32%, 29%)
CIE-LAB	lab(66.19, -46.28, 20.17)
CIE-LCH	lch(66.19, 50.48, 156.45°)
OKLab	oklab(69.25% -0.1259 0.051)
OKLCH	oklch(69.25% 0.136 157.9)
XYZ	xyz(22.2113, 35.5655, 24.4293)
Luminance	0.3557 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B57B #B5407A

analogous

#40B540 #40B57B #40B4B5

triadic

#40B57B #7B40B5 #B57B40

tetradic

#40B57B #4040B5 #B5407A #B4B540

square

#40B57B #4040B5 #B5407A #B4B540

split-complementary

#40B57B #B540B4 #B54040

monochromatic

#205B3E #30885C #40B57B #68CA9A #96DAB8

Accessibility & contrast

On white

2.59

#40B57B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.11

#40B57B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B57B

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B57B	#FFFFFF	#000000	##000000
##40B57B	1.00	2.59	8.11	8.11
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.11	21.00	1.00	1.00
##000000	8.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A777

Deuteranopia (green-blind)

#A49C7F

Tritanopia (blue-blind)

#00B4A6

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40b57b;
/* rgb */ color: rgb(64, 181, 123);
/* oklch */ color: oklch(69.2% 0.136 157.9);

Tailwind

colors: {
  custom: {
    50: '#82cca1',
    500: '#40b57b',
    950: '#000000',
  },
}

SCSS

$custom: #40b57b;
$custom-light: #82cca1;
$custom-dark: #000000;

JSON

{
  "hex": "#40b57b",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 123
  },
  "hsl": {
    "h": 150.256,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.69245,
    "c": 0.13587,
    "h": 157.9
  },
  "luminance": 0.35568
}

Semantic roles & 50–950 ramp

primary

#40B57B

secondary

#C58BA8

accent

#5093D7

background

#F8FCF9

surface

#F0F9F2

border

#CBD2CC

text

#0B130F

muted

#7C827E

Preview Lab

Preview with #40B57B

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

Preview Lab → · Contrast checker → · Palette generator →