#40B279#40B279

#40B279 is a light, vivid teal. Relative luminance 0.343; OKLCH L 68.4% C 0.134 H 157.8°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#40B279
RGB	rgb(64, 178, 121)
HSL	hsl(150, 47%, 47%)
HSV	hsv(150, 64%, 70%)
CMYK	cmyk(64%, 0%, 32%, 30.2%)
CIE-LAB	lab(65.21, -45.45, 19.92)
CIE-LCH	lch(65.21, 49.63, 156.34°)
OKLab	oklab(68.43% -0.1237 0.0504)
OKLCH	oklch(68.43% 0.134 157.8)
XYZ	xyz(21.4840, 34.3090, 23.5755)
Luminance	0.3431 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B279 #B24079

analogous

#40B240 #40B279 #40B2B2

triadic

#40B279 #7940B2 #B27940

tetradic

#40B279 #4040B2 #B24079 #B2B240

square

#40B279 #4040B2 #B24079 #B2B240

split-complementary

#40B279 #B240B2 #B24040

monochromatic

#20583C #30855A #40B279 #67C898 #94D8B6

Accessibility & contrast

On white

2.67

#40B279 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.86

#40B279 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B279

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B279	#FFFFFF	#000000	##000000
##40B279	1.00	2.67	7.86	7.86
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.86	21.00	1.00	1.00
##000000	7.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A576

Deuteranopia (green-blind)

#A19A7D

Tritanopia (blue-blind)

#00B1A3

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40b279;
/* rgb */ color: rgb(64, 178, 121);
/* oklch */ color: oklch(68.4% 0.134 157.8);

Tailwind

colors: {
  custom: {
    50: '#81caa0',
    500: '#40b279',
    950: '#000000',
  },
}

SCSS

$custom: #40b279;
$custom-light: #81caa0;
$custom-dark: #000000;

JSON

{
  "hex": "#40b279",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 121
  },
  "hsl": {
    "h": 150,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.68429,
    "c": 0.13358,
    "h": 157.8
  },
  "luminance": 0.34311
}

Semantic roles & 50–950 ramp

primary

#40B279

secondary

#C48AA7

accent

#5194D7

background

#F8FCF9

surface

#F0F8F2

border

#CBD1CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #40B279

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

Preview Lab → · Contrast checker → · Palette generator →