#40CF3F#40CF3F

#40CF3F is a light, highly saturated green. Relative luminance 0.461; OKLCH L 75.1% C 0.219 H 142.9°. Best body text is #000000 at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#40CF3F
RGB	rgb(64, 207, 63)
HSL	hsl(120, 60%, 53%)
HSV	hsv(120, 70%, 81%)
CMYK	cmyk(69.1%, 0%, 69.6%, 18.8%)
CIE-LAB	lab(73.59, -64.44, 57.89)
CIE-LCH	lch(73.59, 86.63, 138.06°)
OKLab	oklab(75.11% -0.175 0.1323)
OKLCH	oklch(75.11% 0.219 142.9)
XYZ	xyz(25.3229, 46.0718, 12.2599)
Luminance	0.4607 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CF3F #CE3FCF

analogous

#88CF3F #40CF3F #3FCF86

triadic

#40CF3F #3F40CF #CF3F40

tetradic

#40CF3F #3F88CF #CE3FCF #CF863F

square

#40CF3F #3F88CF #CE3FCF #CF863F

split-complementary

#40CF3F #863FCF #CF3F88

monochromatic

#1E761E #2BA72A #40CF3F #71DB70 #A1E7A1

Accessibility & contrast

On white

2.06

#40CF3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.22

#40CF3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CF3F

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CF3F	#FFFFFF	#000000	##000000
##40CF3F	1.00	2.06	10.22	10.22
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.22	21.00	1.00	1.00
##000000	10.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BC29

Deuteranopia (green-blind)

#C3B04D

Tritanopia (blue-blind)

#15C9B2

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #40cf3f;
/* rgb */ color: rgb(64, 207, 63);
/* oklch */ color: oklch(75.1% 0.219 142.9);

Tailwind

colors: {
  custom: {
    50: '#88df7c',
    500: '#40cf3f',
    950: '#000000',
  },
}

SCSS

$custom: #40cf3f;
$custom-light: #88df7c;
$custom-dark: #000000;

JSON

{
  "hex": "#40cf3f",
  "rgb": {
    "r": 64,
    "g": 207,
    "b": 63
  },
  "hsl": {
    "h": 119.583,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.7511,
    "c": 0.21938,
    "h": 142.9
  },
  "luminance": 0.46075
}

Semantic roles & 50–950 ramp

primary

#40CF3F

secondary

#D496D4

accent

#45E3E2

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #40CF3F

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

Preview Lab → · Contrast checker → · Palette generator →