#40CC66#40CC66

#40CC66 is a light, vivid green. Relative luminance 0.452; OKLCH L 74.8% C 0.186 H 148.6°. Best body text is #000000 at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#40CC66
RGB	rgb(64, 204, 102)
HSL	hsl(136, 58%, 53%)
HSV	hsv(136, 69%, 80%)
CMYK	cmyk(68.6%, 0%, 50%, 20%)
CIE-LAB	lab(73.04, -58.81, 39.98)
CIE-LCH	lch(73.04, 71.11, 145.79°)
OKLab	oklab(74.78% -0.1584 0.0969)
OKLCH	oklch(74.78% 0.186 148.6)
XYZ	xyz(26.1035, 45.2322, 19.9228)
Luminance	0.4523 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CC66 #CC40A6

analogous

#60CC40 #40CC66 #40CCAC

triadic

#40CC66 #6640CC #CC6640

tetradic

#40CC66 #4060CC #CC40A6 #CCAC40

square

#40CC66 #4060CC #CC40A6 #CCAC40

split-complementary

#40CC66 #AC40CC #CC4060

monochromatic

#1F7336 #2CA34C #40CC66 #70D98D #A1E6B3

Accessibility & contrast

On white

2.09

#40CC66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.05

#40CC66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CC66

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CC66	#FFFFFF	#000000	##000000
##40CC66	1.00	2.09	10.05	10.05
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.05	21.00	1.00	1.00
##000000	10.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEBA5D

Deuteranopia (green-blind)

#BDAF6D

Tritanopia (blue-blind)

#00C8B4

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #40cc66;
/* rgb */ color: rgb(64, 204, 102);
/* oklch */ color: oklch(74.8% 0.186 148.6);

Tailwind

colors: {
  custom: {
    50: '#86dd93',
    500: '#40cc66',
    950: '#000000',
  },
}

SCSS

$custom: #40cc66;
$custom-light: #86dd93;
$custom-dark: #000000;

JSON

{
  "hex": "#40cc66",
  "rgb": {
    "r": 64,
    "g": 204,
    "b": 102
  },
  "hsl": {
    "h": 136.286,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.74783,
    "c": 0.1857,
    "h": 148.6
  },
  "luminance": 0.45235
}

Semantic roles & 50–950 ramp

primary

#40CC66

secondary

#D295C2

accent

#47B7E1

background

#F8FDF9

surface

#F0FBF1

border

#CBD4CB

text

#0D150D

muted

#7D837E

Preview Lab

Preview with #40CC66

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

Preview Lab → · Contrast checker → · Palette generator →