#40B989#40B989

#40B989 is a light, vivid teal. Relative luminance 0.376; OKLCH L 70.6% C 0.129 H 163.1°. Best body text is #000000 at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#40B989
RGB	rgb(64, 185, 137)
HSL	hsl(156, 49%, 49%)
HSV	hsv(156, 65%, 73%)
CMYK	cmyk(65.4%, 0%, 25.9%, 27.5%)
CIE-LAB	lab(67.72, -44.93, 14.70)
CIE-LCH	lch(67.72, 47.27, 161.88°)
OKLab	oklab(70.6% -0.1235 0.0375)
OKLCH	oklch(70.6% 0.129 163.1)
XYZ	xyz(23.9762, 37.5915, 29.6544)
Luminance	0.3759 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B989 #B94070

analogous

#40B94D #40B989 #40ADB9

triadic

#40B989 #8940B9 #B98940

tetradic

#40B989 #4D40B9 #B94070 #ADB940

square

#40B989 #4D40B9 #B94070 #ADB940

split-complementary

#40B989 #B940AD #B94D40

monochromatic

#215E46 #308C67 #40B989 #6BCCA5 #98DBC1

Accessibility & contrast

On white

2.47

#40B989 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.52

#40B989 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B989

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B989	#FFFFFF	#000000	##000000
##40B989	1.00	2.47	8.52	8.52
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.52	21.00	1.00	1.00
##000000	8.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6AC86

Deuteranopia (green-blind)

#A6A08C

Tritanopia (blue-blind)

#00B9AC

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #40b989;
/* rgb */ color: rgb(64, 185, 137);
/* oklch */ color: oklch(70.6% 0.129 163.1);

Tailwind

colors: {
  custom: {
    50: '#82cfab',
    500: '#40b989',
    950: '#000000',
  },
}

SCSS

$custom: #40b989;
$custom-light: #82cfab;
$custom-dark: #000000;

JSON

{
  "hex": "#40b989",
  "rgb": {
    "r": 64,
    "g": 185,
    "b": 137
  },
  "hsl": {
    "h": 156.198,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.70595,
    "c": 0.12909,
    "h": 163.1
  },
  "luminance": 0.37594
}

Semantic roles & 50–950 ramp

primary

#40B989

secondary

#C78EA4

accent

#5086D8

background

#F8FCFA

surface

#F0F9F4

border

#CBD2CE

text

#0C1410

muted

#7D827F

Preview Lab

Preview with #40B989

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

Preview Lab → · Contrast checker → · Palette generator →