#40B663#40B663

#40B663 is a light, vivid green. Relative luminance 0.354; OKLCH L 69.0% C 0.160 H 149.8°. Best body text is #000000 at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#40B663
RGB	rgb(64, 182, 99)
HSL	hsl(138, 48%, 48%)
HSV	hsv(138, 65%, 71%)
CMYK	cmyk(64.8%, 0%, 45.6%, 28.6%)
CIE-LAB	lab(66.09, -51.13, 32.73)
CIE-LCH	lch(66.09, 60.71, 147.37°)
OKLab	oklab(69.04% -0.138 0.0803)
OKLCH	oklch(69.04% 0.16 149.8)
XYZ	xyz(21.0928, 35.4446, 17.5318)
Luminance	0.3545 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B663 #B64093

analogous

#58B640 #40B663 #40B69E

triadic

#40B663 #6340B6 #B66340

tetradic

#40B663 #4058B6 #B64093 #B69E40

square

#40B663 #4058B6 #B64093 #B69E40

split-complementary

#40B663 #9E40B6 #B64058

monochromatic

#205B32 #30894A #40B663 #69CA86 #96DAAA

Accessibility & contrast

On white

2.60

#40B663 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.09

#40B663 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B663

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B663	#FFFFFF	#000000	##000000
##40B663	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)

#B7A75D

Deuteranopia (green-blind)

#A89D69

Tritanopia (blue-blind)

#12B3A2

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40b663;
/* rgb */ color: rgb(64, 182, 99);
/* oklch */ color: oklch(69.0% 0.160 149.8);

Tailwind

colors: {
  custom: {
    50: '#82cd90',
    500: '#40b663',
    950: '#000000',
  },
}

SCSS

$custom: #40b663;
$custom-light: #82cd90;
$custom-dark: #000000;

JSON

{
  "hex": "#40b663",
  "rgb": {
    "r": 64,
    "g": 182,
    "b": 99
  },
  "hsl": {
    "h": 137.797,
    "s": 47.967,
    "l": 48.235
  },
  "oklch": {
    "l": 0.69035,
    "c": 0.15963,
    "h": 149.8
  },
  "luminance": 0.35447
}

Semantic roles & 50–950 ramp

primary

#40B663

secondary

#C68CB5

accent

#50AFD8

background

#F8FCF8

surface

#F0F9F0

border

#CBD2CB

text

#0C130D

muted

#7D827D

Preview Lab

Preview with #40B663

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

Preview Lab → · Contrast checker → · Palette generator →