#40CB66#40CB66

#40CB66 is a light, vivid green. Relative luminance 0.448; OKLCH L 74.5% C 0.184 H 148.6°. Best body text is #000000 at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#40CB66
RGB	rgb(64, 203, 102)
HSL	hsl(136, 57%, 52%)
HSV	hsv(136, 68%, 80%)
CMYK	cmyk(68.5%, 0%, 49.8%, 20.4%)
CIE-LAB	lab(72.73, -58.45, 39.59)
CIE-LCH	lch(72.73, 70.60, 145.89°)
OKLab	oklab(74.53% -0.1575 0.096)
OKLCH	oklch(74.53% 0.184 148.6)
XYZ	xyz(25.8666, 44.7584, 19.8438)
Luminance	0.4476 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CB66 #CB40A5

analogous

#5FCB40 #40CB66 #40CBAC

triadic

#40CB66 #6640CB #CB6640

tetradic

#40CB66 #405FCB #CB40A5 #CBAC40

square

#40CB66 #405FCB #CB40A5 #CBAC40

split-complementary

#40CB66 #AC40CB #CB405F

monochromatic

#1F7236 #2CA24C #40CB66 #70D88D #A0E5B3

Accessibility & contrast

On white

2.11

#40CB66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.95

#40CB66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CB66

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CB66	#FFFFFF	#000000	##000000
##40CB66	1.00	2.11	9.95	9.95
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.95	21.00	1.00	1.00
##000000	9.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDBA5E

Deuteranopia (green-blind)

#BCAE6D

Tritanopia (blue-blind)

#00C7B3

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #40cb66;
/* rgb */ color: rgb(64, 203, 102);
/* oklch */ color: oklch(74.5% 0.184 148.6);

Tailwind

colors: {
  custom: {
    50: '#86dc93',
    500: '#40cb66',
    950: '#000000',
  },
}

SCSS

$custom: #40cb66;
$custom-light: #86dc93;
$custom-dark: #000000;

JSON

{
  "hex": "#40cb66",
  "rgb": {
    "r": 64,
    "g": 203,
    "b": 102
  },
  "hsl": {
    "h": 136.403,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.74526,
    "c": 0.18442,
    "h": 148.6
  },
  "luminance": 0.44761
}

Semantic roles & 50–950 ramp

primary

#40CB66

secondary

#D295C1

accent

#47B7E0

background

#F8FDF9

surface

#F0FBF1

border

#CBD4CB

text

#0C150D

muted

#7D837E

Preview Lab

Preview with #40CB66

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

Preview Lab → · Contrast checker → · Palette generator →