#40C03F#40C03F

#40C03F is a light, highly saturated green. Relative luminance 0.391; OKLCH L 71.2% C 0.202 H 143.0°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#40C03F
RGB	rgb(64, 192, 63)
HSL	hsl(120, 51%, 50%)
HSV	hsv(120, 67%, 75%)
CMYK	cmyk(66.7%, 0%, 67.2%, 24.7%)
CIE-LAB	lab(68.86, -59.42, 52.86)
CIE-LCH	lch(68.86, 79.53, 138.34°)
OKLab	oklab(71.19% -0.1614 0.1217)
OKLCH	oklch(71.19% 0.202 143)
XYZ	xyz(21.8599, 39.1459, 11.1055)
Luminance	0.3915 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C03F #BF3FC0

analogous

#80C03F #40C03F #3FC07F

triadic

#40C03F #3F40C0 #C03F40

tetradic

#40C03F #3F80C0 #BF3FC0 #C07F3F

square

#40C03F #3F80C0 #BF3FC0 #C07F3F

split-complementary

#40C03F #7F3FC0 #C03F80

monochromatic

#216421 #319230 #40C03F #6ECF6D #9CDE9B

Accessibility & contrast

On white

2.38

#40C03F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.83

#40C03F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C03F

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C03F	#FFFFFF	#000000	##000000
##40C03F	1.00	2.38	8.83	8.83
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.83	21.00	1.00	1.00
##000000	8.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AE2D

Deuteranopia (green-blind)

#B5A44B

Tritanopia (blue-blind)

#21BAA6

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #40c03f;
/* rgb */ color: rgb(64, 192, 63);
/* oklch */ color: oklch(71.2% 0.202 143.0);

Tailwind

colors: {
  custom: {
    50: '#85d47a',
    500: '#40c03f',
    950: '#000000',
  },
}

SCSS

$custom: #40c03f;
$custom-light: #85d47a;
$custom-dark: #000000;

JSON

{
  "hex": "#40c03f",
  "rgb": {
    "r": 64,
    "g": 192,
    "b": 63
  },
  "hsl": {
    "h": 119.535,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.71186,
    "c": 0.20215,
    "h": 143
  },
  "luminance": 0.39148
}

Semantic roles & 50–950 ramp

primary

#40C03F

secondary

#CA91CA

accent

#4EDAD9

background

#F8FDF7

surface

#F0FAEE

border

#CBD3C9

text

#0C140A

muted

#7D837C

Preview Lab

Preview with #40C03F

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

Preview Lab → · Contrast checker → · Palette generator →