#40DD5B#40DD5B

#40DD5B is a light, highly saturated green. Relative luminance 0.536; OKLCH L 79.0% C 0.216 H 145.8°. Best body text is #000000 at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#40DD5B
RGB	rgb(64, 221, 91)
HSL	hsl(130, 70%, 56%)
HSV	hsv(130, 71%, 87%)
CMYK	cmyk(71%, 0%, 58.8%, 13.3%)
CIE-LAB	lab(78.20, -66.15, 51.33)
CIE-LCH	lch(78.20, 83.73, 142.19°)
OKLab	oklab(79.01% -0.1785 0.1211)
OKLCH	oklch(79.01% 0.216 145.8)
XYZ	xyz(29.8570, 53.5549, 18.6591)
Luminance	0.5356 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DD5B #DD40C2

analogous

#74DD40 #40DD5B #40DDA9

triadic

#40DD5B #5B40DD #DD5B40

tetradic

#40DD5B #4074DD #DD40C2 #DDA940

square

#40DD5B #4074DD #DD40C2 #DDA940

split-complementary

#40DD5B #A940DD #DD4074

monochromatic

#198A2C #22BE3D #40DD5B #74E688 #A8EFB4

Accessibility & contrast

On white

1.79

#40DD5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.71

#40DD5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DD5B

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DD5B	#FFFFFF	#000000	##000000
##40DD5B	1.00	1.79	11.71	11.71
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.71	21.00	1.00	1.00
##000000	11.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C94D

Deuteranopia (green-blind)

#CEBC66

Tritanopia (blue-blind)

#00D8C1

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #40dd5b;
/* rgb */ color: rgb(64, 221, 91);
/* oklch */ color: oklch(79.0% 0.216 145.8);

Tailwind

colors: {
  custom: {
    50: '#8ae98d',
    500: '#40dd5b',
    950: '#000000',
  },
}

SCSS

$custom: #40dd5b;
$custom-light: #8ae98d;
$custom-dark: #000000;

JSON

{
  "hex": "#40dd5b",
  "rgb": {
    "r": 64,
    "g": 221,
    "b": 91
  },
  "hsl": {
    "h": 130.318,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.79008,
    "c": 0.21569,
    "h": 145.8
  },
  "luminance": 0.53558
}

Semantic roles & 50–950 ramp

primary

#40DD5B

secondary

#903180

accent

#3BCEED

background

#FCFEFC

surface

#F4FDF4

border

#CED5CE

text

#0D160C

muted

#7F847F

Preview Lab

Preview with #40DD5B

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

Preview Lab → · Contrast checker → · Palette generator →