#40CB40#40CB40

#40CB40 is a light, highly saturated green. Relative luminance 0.442; OKLCH L 74.1% C 0.214 H 143.0°. Best body text is #000000 at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#40CB40
RGB	rgb(64, 203, 64)
HSL	hsl(120, 57%, 52%)
HSV	hsv(120, 68%, 80%)
CMYK	cmyk(68.5%, 0%, 68.5%, 20.4%)
CIE-LAB	lab(72.34, -63.03, 56.19)
CIE-LCH	lch(72.34, 84.44, 138.29°)
OKLab	oklab(74.08% -0.1711 0.1288)
OKLCH	oklch(74.08% 0.214 143)
XYZ	xyz(24.3942, 44.1694, 12.0894)
Luminance	0.4417 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CB40 #CB40CB

analogous

#86CB40 #40CB40 #40CB86

triadic

#40CB40 #4040CB #CB4040

tetradic

#40CB40 #4086CB #CB40CB #CB8640

square

#40CB40 #4086CB #CB40CB #CB8640

split-complementary

#40CB40 #8640CB #CB4086

monochromatic

#1F721F #2CA22C #40CB40 #70D870 #A0E5A0

Accessibility & contrast

On white

2.14

#40CB40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.83

#40CB40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CB40

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CB40	#FFFFFF	#000000	##000000
##40CB40	1.00	2.14	9.83	9.83
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.83	21.00	1.00	1.00
##000000	9.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB82C

Deuteranopia (green-blind)

#BFAD4D

Tritanopia (blue-blind)

#18C5AF

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #40cb40;
/* rgb */ color: rgb(64, 203, 64);
/* oklch */ color: oklch(74.1% 0.214 143.0);

Tailwind

colors: {
  custom: {
    50: '#87dc7c',
    500: '#40cb40',
    950: '#000000',
  },
}

SCSS

$custom: #40cb40;
$custom-light: #87dc7c;
$custom-dark: #000000;

JSON

{
  "hex": "#40cb40",
  "rgb": {
    "r": 64,
    "g": 203,
    "b": 64
  },
  "hsl": {
    "h": 120,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.74076,
    "c": 0.2142,
    "h": 143
  },
  "luminance": 0.44172
}

Semantic roles & 50–950 ramp

primary

#40CB40

secondary

#D295D2

accent

#47E0E0

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #40CB40

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

Preview Lab → · Contrast checker → · Palette generator →