#40B576#40B576

#40B576 is a light, vivid green. Relative luminance 0.354; OKLCH L 69.1% C 0.140 H 156.0°. Best body text is #000000 at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#40B576
RGB	rgb(64, 181, 118)
HSL	hsl(148, 48%, 48%)
HSV	hsv(148, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 34.8%, 29%)
CIE-LAB	lab(66.09, -47.29, 22.73)
CIE-LCH	lch(66.09, 52.47, 154.32°)
OKLab	oklab(69.14% -0.1283 0.0572)
OKLCH	oklch(69.14% 0.14 156)
XYZ	xyz(21.9063, 35.4435, 22.8228)
Luminance	0.3545 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B576 #B5407F

analogous

#45B540 #40B576 #40B5B0

triadic

#40B576 #7640B5 #B57640

tetradic

#40B576 #4045B5 #B5407F #B5B040

square

#40B576 #4045B5 #B5407F #B5B040

split-complementary

#40B576 #B040B5 #B54045

monochromatic

#205B3B #308859 #40B576 #68CA95 #96DAB5

Accessibility & contrast

On white

2.60

#40B576 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.09

#40B576 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B576

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B576	#FFFFFF	#000000	##000000
##40B576	1.00	2.60	8.09	8.09
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.09	21.00	1.00	1.00
##000000	8.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A772

Deuteranopia (green-blind)

#A59C7A

Tritanopia (blue-blind)

#00B3A5

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40b576;
/* rgb */ color: rgb(64, 181, 118);
/* oklch */ color: oklch(69.1% 0.140 156.0);

Tailwind

colors: {
  custom: {
    50: '#82cc9e',
    500: '#40b576',
    950: '#000000',
  },
}

SCSS

$custom: #40b576;
$custom-light: #82cc9e;
$custom-dark: #000000;

JSON

{
  "hex": "#40b576",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 118
  },
  "hsl": {
    "h": 147.692,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.69137,
    "c": 0.14045,
    "h": 156
  },
  "luminance": 0.35446
}

Semantic roles & 50–950 ramp

primary

#40B576

secondary

#C58BAB

accent

#5099D7

background

#F8FCF9

surface

#F0F9F2

border

#CBD2CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #40B576

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

Preview Lab → · Contrast checker → · Palette generator →