#40DE3F#40DE3F

#40DE3F is a light, highly saturated green. Relative luminance 0.537; OKLCH L 79.0% C 0.236 H 142.9°. Best body text is #000000 at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#40DE3F
RGB	rgb(64, 222, 63)
HSL	hsl(120, 71%, 56%)
HSV	hsv(120, 72%, 87%)
CMYK	cmyk(71.2%, 0%, 71.6%, 12.9%)
CIE-LAB	lab(78.28, -69.26, 62.75)
CIE-LCH	lch(78.28, 93.46, 137.82°)
OKLab	oklab(79% -0.1881 0.1425)
OKLCH	oklch(79% 0.236 142.9)
XYZ	xyz(29.1311, 53.6882, 13.5293)
Luminance	0.5369 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DE3F #DD3FDE

analogous

#8FDE3F #40DE3F #3FDE8E

triadic

#40DE3F #3F40DE #DE3F40

tetradic

#40DE3F #3F8FDE #DD3FDE #DE8E3F

square

#40DE3F #3F8FDE #DD3FDE #DE8E3F

split-complementary

#40DE3F #8E3FDE #DE3F8F

monochromatic

#198B18 #22BF21 #40DE3F #74E773 #A8F0A7

Accessibility & contrast

On white

1.79

#40DE3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.74

#40DE3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DE3F

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DE3F	#FFFFFF	#000000	##000000
##40DE3F	1.00	1.79	11.74	11.74
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.74	21.00	1.00	1.00
##000000	11.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3C923

Deuteranopia (green-blind)

#D1BD4F

Tritanopia (blue-blind)

#00D8BF

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #40de3f;
/* rgb */ color: rgb(64, 222, 63);
/* oklch */ color: oklch(79.0% 0.236 142.9);

Tailwind

colors: {
  custom: {
    50: '#8bea7d',
    500: '#40de3f',
    950: '#000000',
  },
}

SCSS

$custom: #40de3f;
$custom-light: #8bea7d;
$custom-dark: #000000;

JSON

{
  "hex": "#40de3f",
  "rgb": {
    "r": 64,
    "g": 222,
    "b": 63
  },
  "hsl": {
    "h": 119.623,
    "s": 70.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.78998,
    "c": 0.23594,
    "h": 142.9
  },
  "luminance": 0.53691
}

Semantic roles & 50–950 ramp

primary

#40DE3F

secondary

#903190

accent

#3AEDEC

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160A

muted

#7F847D

Preview Lab

Preview with #40DE3F

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

Preview Lab → · Contrast checker → · Palette generator →