#40CE66#40CE66

#40CE66 is a light, vivid green. Relative luminance 0.462; OKLCH L 75.3% C 0.188 H 148.4°. Best body text is #000000 at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#40CE66
RGB	rgb(64, 206, 102)
HSL	hsl(136, 59%, 53%)
HSV	hsv(136, 69%, 81%)
CMYK	cmyk(68.9%, 0%, 50.5%, 19.2%)
CIE-LAB	lab(73.67, -59.52, 40.75)
CIE-LCH	lch(73.67, 72.14, 145.60°)
OKLab	oklab(75.3% -0.1603 0.0986)
OKLCH	oklch(75.3% 0.188 148.4)
XYZ	xyz(26.5819, 46.1890, 20.0823)
Luminance	0.4619 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CE66 #CE40A8

analogous

#61CE40 #40CE66 #40CEAD

triadic

#40CE66 #6640CE #CE6640

tetradic

#40CE66 #4061CE #CE40A8 #CEAD40

square

#40CE66 #4061CE #CE40A8 #CEAD40

split-complementary

#40CE66 #AD40CE #CE4061

monochromatic

#1E7536 #2BA64C #40CE66 #71DA8D #A1E7B4

Accessibility & contrast

On white

2.05

#40CE66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.24

#40CE66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CE66

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CE66	#FFFFFF	#000000	##000000
##40CE66	1.00	2.05	10.24	10.24
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.24	21.00	1.00	1.00
##000000	10.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0BC5D

Deuteranopia (green-blind)

#BFB06E

Tritanopia (blue-blind)

#00CAB6

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #40ce66;
/* rgb */ color: rgb(64, 206, 102);
/* oklch */ color: oklch(75.3% 0.188 148.4);

Tailwind

colors: {
  custom: {
    50: '#87de93',
    500: '#40ce66',
    950: '#000000',
  },
}

SCSS

$custom: #40ce66;
$custom-light: #87de93;
$custom-dark: #000000;

JSON

{
  "hex": "#40ce66",
  "rgb": {
    "r": 64,
    "g": 206,
    "b": 102
  },
  "hsl": {
    "h": 136.056,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.75298,
    "c": 0.18824,
    "h": 148.4
  },
  "luminance": 0.46192
}

Semantic roles & 50–950 ramp

primary

#40CE66

secondary

#D496C3

accent

#45B8E2

background

#F8FDF9

surface

#F0FBF1

border

#CBD4CB

text

#0D150D

muted

#7D837E

Preview Lab

Preview with #40CE66

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

Preview Lab → · Contrast checker → · Palette generator →