#40C663#40C663

#40C663 is a light, vivid green. Relative luminance 0.424; OKLCH L 73.2% C 0.181 H 148.4°. Best body text is #000000 at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#40C663
RGB	rgb(64, 198, 99)
HSL	hsl(136, 54%, 51%)
HSV	hsv(136, 68%, 78%)
CMYK	cmyk(67.7%, 0%, 50%, 22.4%)
CIE-LAB	lab(71.13, -57.10, 39.08)
CIE-LCH	lch(71.13, 69.19, 145.61°)
OKLab	oklab(73.19% -0.1539 0.0947)
OKLCH	oklch(73.19% 0.181 148.4)
XYZ	xyz(24.5587, 42.3764, 18.6872)
Luminance	0.4238 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C663 #C640A3

analogous

#60C640 #40C663 #40C6A6

triadic

#40C663 #6340C6 #C66340

tetradic

#40C663 #4060C6 #C640A3 #C6A640

square

#40C663 #4060C6 #C640A3 #C6A640

split-complementary

#40C663 #A640C6 #C64060

monochromatic

#206C34 #2E9B4A #40C663 #6FD489 #9EE2B0

Accessibility & contrast

On white

2.22

#40C663 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.48

#40C663 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C663

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C663	#FFFFFF	#000000	##000000
##40C663	1.00	2.22	9.48	9.48
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.48	21.00	1.00	1.00
##000000	9.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B55B

Deuteranopia (green-blind)

#B7AA6A

Tritanopia (blue-blind)

#00C2AF

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #40c663;
/* rgb */ color: rgb(64, 198, 99);
/* oklch */ color: oklch(73.2% 0.181 148.4);

Tailwind

colors: {
  custom: {
    50: '#85d891',
    500: '#40c663',
    950: '#000000',
  },
}

SCSS

$custom: #40c663;
$custom-light: #85d891;
$custom-dark: #000000;

JSON

{
  "hex": "#40c663",
  "rgb": {
    "r": 64,
    "g": 198,
    "b": 99
  },
  "hsl": {
    "h": 135.672,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.73189,
    "c": 0.18069,
    "h": 148.4
  },
  "luminance": 0.42379
}

Semantic roles & 50–950 ramp

primary

#40C663

secondary

#CE93BF

accent

#4AB7DD

background

#F8FDF9

surface

#F0FAF1

border

#CBD3CB

text

#0C150D

muted

#7D837E

Preview Lab

Preview with #40C663

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

Preview Lab → · Contrast checker → · Palette generator →