#40B587#40B587

#40B587 is a light, vivid teal. Relative luminance 0.359; OKLCH L 69.5% C 0.125 H 163.4°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#40B587
RGB	rgb(64, 181, 135)
HSL	hsl(156, 48%, 48%)
HSV	hsv(156, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 25.4%, 29%)
CIE-LAB	lab(66.43, -43.69, 13.99)
CIE-LCH	lch(66.43, 45.88, 162.24°)
OKLab	oklab(69.53% -0.1202 0.0357)
OKLCH	oklch(69.53% 0.125 163.4)
XYZ	xyz(23.0091, 35.8846, 28.6308)
Luminance	0.3589 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B587 #B5406E

analogous

#40B54C #40B587 #40A8B5

triadic

#40B587 #8740B5 #B58740

tetradic

#40B587 #4C40B5 #B5406E #A8B540

square

#40B587 #4C40B5 #B5406E #A8B540

split-complementary

#40B587 #B540A8 #B54C40

monochromatic

#205B44 #308865 #40B587 #68CAA3 #96DABF

Accessibility & contrast

On white

2.57

#40B587 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.18

#40B587 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B587

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B587	#FFFFFF	#000000	##000000
##40B587	1.00	2.57	8.18	8.18
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.18	21.00	1.00	1.00
##000000	8.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A884

Deuteranopia (green-blind)

#A29D8A

Tritanopia (blue-blind)

#00B5A8

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40b587;
/* rgb */ color: rgb(64, 181, 135);
/* oklch */ color: oklch(69.5% 0.125 163.4);

Tailwind

colors: {
  custom: {
    50: '#82ccaa',
    500: '#40b587',
    950: '#000000',
  },
}

SCSS

$custom: #40b587;
$custom-light: #82ccaa;
$custom-dark: #000000;

JSON

{
  "hex": "#40b587",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 135
  },
  "hsl": {
    "h": 156.41,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.69527,
    "c": 0.12545,
    "h": 163.4
  },
  "luminance": 0.35887
}

Semantic roles & 50–950 ramp

primary

#40B587

secondary

#C58BA2

accent

#5085D7

background

#F8FCFA

surface

#F0F9F4

border

#CBD2CE

text

#0B1310

muted

#7C827F

Preview Lab

Preview with #40B587

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

Preview Lab → · Contrast checker → · Palette generator →