#40D66C#40D66C

#40D66C is a light, vivid green. Relative luminance 0.503; OKLCH L 77.4% C 0.193 H 149.0°. Best body text is #000000 at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#40D66C
RGB	rgb(64, 214, 108)
HSL	hsl(138, 65%, 55%)
HSV	hsv(138, 70%, 84%)
CMYK	cmyk(70.1%, 0%, 49.5%, 16.1%)
CIE-LAB	lab(76.23, -61.46, 41.01)
CIE-LCH	lch(76.23, 73.89, 146.28°)
OKLab	oklab(77.44% -0.1655 0.0995)
OKLCH	oklch(77.44% 0.193 149)
XYZ	xyz(28.8654, 50.2626, 22.3648)
Luminance	0.5027 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D66C #D640AA

analogous

#5FD640 #40D66C #40D6B7

triadic

#40D66C #6C40D6 #D66C40

tetradic

#40D66C #405FD6 #D640AA #D6B740

square

#40D66C #405FD6 #D640AA #D6B740

split-complementary

#40D66C #B740D6 #D6405F

monochromatic

#1B8039 #26B24F #40D66C #72E193 #A5ECBA

Accessibility & contrast

On white

1.90

#40D66C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.05

#40D66C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D66C

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D66C	#FFFFFF	#000000	##000000
##40D66C	1.00	1.90	11.05	11.05
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.05	21.00	1.00	1.00
##000000	11.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C463

Deuteranopia (green-blind)

#C6B774

Tritanopia (blue-blind)

#00D2BD

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #40d66c;
/* rgb */ color: rgb(64, 214, 108);
/* oklch */ color: oklch(77.4% 0.193 149.0);

Tailwind

colors: {
  custom: {
    50: '#88e498',
    500: '#40d66c',
    950: '#000000',
  },
}

SCSS

$custom: #40d66c;
$custom-light: #88e498;
$custom-dark: #000000;

JSON

{
  "hex": "#40d66c",
  "rgb": {
    "r": 64,
    "g": 214,
    "b": 108
  },
  "hsl": {
    "h": 137.6,
    "s": 64.655,
    "l": 54.51
  },
  "oklch": {
    "l": 0.77441,
    "c": 0.19307,
    "h": 149
  },
  "luminance": 0.50266
}

Semantic roles & 50–950 ramp

primary

#40D66C

secondary

#87336F

accent

#40B7E8

background

#FCFEFC

surface

#F4FCF5

border

#CED5CF

text

#0D160E

muted

#7F847F

Preview Lab

Preview with #40D66C

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

Preview Lab → · Contrast checker → · Palette generator →