#40DE4F#40DE4F

#40DE4F is a light, highly saturated green. Relative luminance 0.539; OKLCH L 79.1% C 0.226 H 144.4°. Best body text is #000000 at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#40DE4F
RGB	rgb(64, 222, 79)
HSL	hsl(126, 71%, 56%)
HSV	hsv(126, 71%, 87%)
CMYK	cmyk(71.2%, 0%, 64.4%, 12.9%)
CIE-LAB	lab(78.40, -67.81, 56.70)
CIE-LCH	lch(78.40, 88.39, 140.10°)
OKLab	oklab(79.14% -0.1834 0.1315)
OKLCH	oklch(79.14% 0.226 144.4)
XYZ	xyz(29.6450, 53.8937, 16.2358)
Luminance	0.5390 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DE4F #DE40CF

analogous

#80DE40 #40DE4F #40DE9E

triadic

#40DE4F #4F40DE #DE4F40

tetradic

#40DE4F #4080DE #DE40CF #DE9E40

square

#40DE4F #4080DE #DE40CF #DE9E40

split-complementary

#40DE4F #9E40DE #DE4080

monochromatic

#188B23 #21C030 #40DE4F #74E77F #A8F0AF

Accessibility & contrast

On white

1.78

#40DE4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.78

#40DE4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DE4F

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DE4F	#FFFFFF	#000000	##000000
##40DE4F	1.00	1.78	11.78	11.78
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.78	21.00	1.00	1.00
##000000	11.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2CA3D

Deuteranopia (green-blind)

#D0BD5C

Tritanopia (blue-blind)

#00D8C0

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #40de4f;
/* rgb */ color: rgb(64, 222, 79);
/* oklch */ color: oklch(79.1% 0.226 144.4);

Tailwind

colors: {
  custom: {
    50: '#8bea86',
    500: '#40de4f',
    950: '#000000',
  },
}

SCSS

$custom: #40de4f;
$custom-light: #8bea86;
$custom-dark: #000000;

JSON

{
  "hex": "#40de4f",
  "rgb": {
    "r": 64,
    "g": 222,
    "b": 79
  },
  "hsl": {
    "h": 125.696,
    "s": 70.536,
    "l": 56.078
  },
  "oklch": {
    "l": 0.79137,
    "c": 0.22571,
    "h": 144.4
  },
  "luminance": 0.53897
}

Semantic roles & 50–950 ramp

primary

#40DE4F

secondary

#913188

accent

#3ADCED

background

#FCFEFC

surface

#F5FDF3

border

#CFD5CD

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #40DE4F

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

Preview Lab → · Contrast checker → · Palette generator →