#40D563#40D563

#40D563 is a light, vivid green. Relative luminance 0.496; OKLCH L 77.1% C 0.200 H 147.4°. Best body text is #000000 at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#40D563
RGB	rgb(64, 213, 99)
HSL	hsl(134, 64%, 54%)
HSV	hsv(134, 70%, 84%)
CMYK	cmyk(70%, 0%, 53.5%, 16.5%)
CIE-LAB	lab(75.81, -62.41, 44.82)
CIE-LCH	lch(75.81, 76.83, 144.32°)
OKLab	oklab(77.06% -0.1681 0.1075)
OKLCH	oklch(77.06% 0.2 147.4)
XYZ	xyz(28.1587, 49.5762, 19.8871)
Luminance	0.4958 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D563 #D540B2

analogous

#68D540 #40D563 #40D5AE

triadic

#40D563 #6340D5 #D56340

tetradic

#40D563 #4068D5 #D540B2 #D5AE40

square

#40D563 #4068D5 #D540B2 #D5AE40

split-complementary

#40D563 #AE40D5 #D54068

monochromatic

#1C7F33 #27B147 #40D563 #72E08C #A4EBB5

Accessibility & contrast

On white

1.92

#40D563 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.92

#40D563 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D563

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D563	#FFFFFF	#000000	##000000
##40D563	1.00	1.92	10.92	10.92
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.92	21.00	1.00	1.00
##000000	10.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C259

Deuteranopia (green-blind)

#C6B66C

Tritanopia (blue-blind)

#00D0BB

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #40d563;
/* rgb */ color: rgb(64, 213, 99);
/* oklch */ color: oklch(77.1% 0.200 147.4);

Tailwind

colors: {
  custom: {
    50: '#88e392',
    500: '#40d563',
    950: '#000000',
  },
}

SCSS

$custom: #40d563;
$custom-light: #88e392;
$custom-dark: #000000;

JSON

{
  "hex": "#40d563",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 99
  },
  "hsl": {
    "h": 134.094,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.77056,
    "c": 0.19956,
    "h": 147.4
  },
  "luminance": 0.49579
}

Semantic roles & 50–950 ramp

primary

#40D563

secondary

#D899C9

accent

#41C0E7

background

#F9FEF9

surface

#F1FCF1

border

#CBD5CB

text

#0D160D

muted

#7E847E

Preview Lab

Preview with #40D563

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

Preview Lab → · Contrast checker → · Palette generator →