#40B588#40B588

#40B588 is a light, vivid teal. Relative luminance 0.359; OKLCH L 69.6% C 0.125 H 164.0°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#40B588
RGB	rgb(64, 181, 136)
HSL	hsl(157, 48%, 48%)
HSV	hsv(157, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 24.9%, 29%)
CIE-LAB	lab(66.45, -43.46, 13.48)
CIE-LCH	lch(66.45, 45.51, 162.77°)
OKLab	oklab(69.55% -0.1198 0.0344)
OKLCH	oklch(69.55% 0.125 164)
XYZ	xyz(23.0798, 35.9129, 29.0033)
Luminance	0.3592 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B588 #B5406D

analogous

#40B54D #40B588 #40A7B5

triadic

#40B588 #8840B5 #B58840

tetradic

#40B588 #4D40B5 #B5406D #A7B540

square

#40B588 #4D40B5 #B5406D #A7B540

split-complementary

#40B588 #B540A7 #B54D40

monochromatic

#205B44 #308866 #40B588 #68CAA4 #96DAC0

Accessibility & contrast

On white

2.57

#40B588 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.18

#40B588 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B588

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B588	#FFFFFF	#000000	##000000
##40B588	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)

#B2A886

Deuteranopia (green-blind)

#A29D8B

Tritanopia (blue-blind)

#00B5A9

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40b588;
/* rgb */ color: rgb(64, 181, 136);
/* oklch */ color: oklch(69.6% 0.125 164.0);

Tailwind

colors: {
  custom: {
    50: '#82ccaa',
    500: '#40b588',
    950: '#000000',
  },
}

SCSS

$custom: #40b588;
$custom-light: #82ccaa;
$custom-dark: #000000;

JSON

{
  "hex": "#40b588",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 136
  },
  "hsl": {
    "h": 156.923,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.69552,
    "c": 0.12463,
    "h": 164
  },
  "luminance": 0.35915
}

Semantic roles & 50–950 ramp

primary

#40B588

secondary

#C58BA2

accent

#5084D7

background

#F8FCFA

surface

#F0F9F4

border

#CBD2CE

text

#0C1310

muted

#7D827F

Preview Lab

Preview with #40B588

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

Preview Lab → · Contrast checker → · Palette generator →