#40DB4B#40DB4B

#40DB4B is a light, highly saturated green. Relative luminance 0.523; OKLCH L 78.3% C 0.225 H 144.0°. Best body text is #000000 at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#40DB4B
RGB	rgb(64, 219, 75)
HSL	hsl(124, 68%, 55%)
HSV	hsv(124, 71%, 86%)
CMYK	cmyk(70.8%, 0%, 65.8%, 14.1%)
CIE-LAB	lab(77.43, -67.24, 57.28)
CIE-LCH	lch(77.43, 88.33, 139.57°)
OKLab	oklab(78.33% -0.182 0.1323)
OKLCH	oklch(78.33% 0.225 144)
XYZ	xyz(28.7140, 52.2578, 15.2287)
Luminance	0.5226 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DB4B #DB40D0

analogous

#82DB40 #40DB4B #40DB98

triadic

#40DB4B #4B40DB #DB4B40

tetradic

#40DB4B #4082DB #DB40D0 #DB9840

square

#40DB4B #4082DB #DB40D0 #DB9840

split-complementary

#40DB4B #9840DB #DB4082

monochromatic

#198721 #23BB2E #40DB4B #73E57C #A7EEAC

Accessibility & contrast

On white

1.83

#40DB4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.45

#40DB4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DB4B

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DB4B	#FFFFFF	#000000	##000000
##40DB4B	1.00	1.83	11.45	11.45
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.45	21.00	1.00	1.00
##000000	11.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC738

Deuteranopia (green-blind)

#CDBB58

Tritanopia (blue-blind)

#00D5BD

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #40db4b;
/* rgb */ color: rgb(64, 219, 75);
/* oklch */ color: oklch(78.3% 0.225 144.0);

Tailwind

colors: {
  custom: {
    50: '#8ae783',
    500: '#40db4b',
    950: '#000000',
  },
}

SCSS

$custom: #40db4b;
$custom-light: #8ae783;
$custom-dark: #000000;

JSON

{
  "hex": "#40db4b",
  "rgb": {
    "r": 64,
    "g": 219,
    "b": 75
  },
  "hsl": {
    "h": 124.258,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.78326,
    "c": 0.22506,
    "h": 144
  },
  "luminance": 0.52261
}

Semantic roles & 50–950 ramp

primary

#40DB4B

secondary

#8D3287

accent

#3DDFEB

background

#FCFEFB

surface

#F4FDF2

border

#CED5CC

text

#0D160B

muted

#7F847E

Preview Lab

Preview with #40DB4B

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

Preview Lab → · Contrast checker → · Palette generator →