#40B39E#40B39E

#40B39E is a light, moderate teal. Relative luminance 0.358; OKLCH L 69.7% C 0.107 H 178.6°. Best body text is #000000 at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#40B39E
RGB	rgb(64, 179, 158)
HSL	hsl(169, 47%, 48%)
HSV	hsv(169, 64%, 70%)
CMYK	cmyk(64.2%, 0%, 11.7%, 29.8%)
CIE-LAB	lab(66.36, -37.23, 1.24)
CIE-LCH	lch(66.36, 37.25, 178.09°)
OKLab	oklab(69.65% -0.1073 0.0027)
OKLCH	oklch(69.65% 0.107 178.6)
XYZ	xyz(24.4031, 35.7962, 37.9644)
Luminance	0.3580 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B39E #B34055

analogous

#40B364 #40B39E #408FB3

triadic

#40B39E #9E40B3 #B39E40

tetradic

#40B39E #6440B3 #B34055 #8FB340

square

#40B39E #6440B3 #B34055 #8FB340

split-complementary

#40B39E #B3408F #B36440

monochromatic

#20594E #308676 #40B39E #67C9B7 #94D9CC

Accessibility & contrast

On white

2.57

#40B39E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.16

#40B39E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B39E

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B39E	#FFFFFF	#000000	##000000
##40B39E	1.00	2.57	8.16	8.16
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.16	21.00	1.00	1.00
##000000	8.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACA99D

Deuteranopia (green-blind)

#9B9CA0

Tritanopia (blue-blind)

#00B6AD

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40b39e;
/* rgb */ color: rgb(64, 179, 158);
/* oklch */ color: oklch(69.7% 0.107 178.6);

Tailwind

colors: {
  custom: {
    50: '#82caba',
    500: '#40b39e',
    950: '#000000',
  },
}

SCSS

$custom: #40b39e;
$custom-light: #82caba;
$custom-dark: #000000;

JSON

{
  "hex": "#40b39e",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 158
  },
  "hsl": {
    "h": 169.043,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.69654,
    "c": 0.10732,
    "h": 178.6
  },
  "luminance": 0.35799
}

Semantic roles & 50–950 ramp

primary

#40B39E

secondary

#C48A95

accent

#5169D7

background

#F8FCFB

surface

#F0F8F6

border

#CBD1D0

text

#0C1311

muted

#7D8280

Preview Lab

Preview with #40B39E

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

Preview Lab → · Contrast checker → · Palette generator →