#40B597#40B597

#40B597 is a light, moderate teal. Relative luminance 0.364; OKLCH L 70.0% C 0.114 H 172.6°. Best body text is #000000 at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#40B597
RGB	rgb(64, 181, 151)
HSL	hsl(165, 48%, 48%)
HSV	hsv(165, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 16.6%, 29%)
CIE-LAB	lab(66.80, -39.90, 5.74)
CIE-LCH	lch(66.80, 40.31, 171.82°)
OKLab	oklab(69.95% -0.1127 0.0146)
OKLCH	oklch(69.95% 0.114 172.6)
XYZ	xyz(24.2214, 36.3695, 35.0157)
Luminance	0.3637 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B597 #B5405E

analogous

#40B55C #40B597 #4099B5

triadic

#40B597 #9740B5 #B59740

tetradic

#40B597 #5C40B5 #B5405E #99B540

square

#40B597 #5C40B5 #B5405E #99B540

split-complementary

#40B597 #B54099 #B55C40

monochromatic

#205B4C #308871 #40B597 #68CAB1 #96DAC8

Accessibility & contrast

On white

2.54

#40B597 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.27

#40B597 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B597

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B597	#FFFFFF	#000000	##000000
##40B597	1.00	2.54	8.27	8.27
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.27	21.00	1.00	1.00
##000000	8.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFAA96

Deuteranopia (green-blind)

#9F9E99

Tritanopia (blue-blind)

#00B7AC

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40b597;
/* rgb */ color: rgb(64, 181, 151);
/* oklch */ color: oklch(70.0% 0.114 172.6);

Tailwind

colors: {
  custom: {
    50: '#82ccb5',
    500: '#40b597',
    950: '#000000',
  },
}

SCSS

$custom: #40b597;
$custom-light: #82ccb5;
$custom-dark: #000000;

JSON

{
  "hex": "#40b597",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 151
  },
  "hsl": {
    "h": 164.615,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.69951,
    "c": 0.11362,
    "h": 172.6
  },
  "luminance": 0.36372
}

Semantic roles & 50–950 ramp

primary

#40B597

secondary

#C58B9A

accent

#5073D7

background

#F8FCFB

surface

#F0F9F6

border

#CBD2D0

text

#0C1311

muted

#7D8280

Preview Lab

Preview with #40B597

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

Preview Lab → · Contrast checker → · Palette generator →