#40DB3B#40DB3B

#40DB3B is a light, highly saturated green. Relative luminance 0.521; OKLCH L 78.2% C 0.235 H 142.6°. Best body text is #000000 at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#40DB3B
RGB	rgb(64, 219, 59)
HSL	hsl(118, 69%, 55%)
HSV	hsv(118, 73%, 86%)
CMYK	cmyk(70.8%, 0%, 73.1%, 14.1%)
CIE-LAB	lab(77.32, -68.63, 63.18)
CIE-LCH	lch(77.32, 93.28, 137.37°)
OKLab	oklab(78.19% -0.1865 0.1429)
OKLCH	oklch(78.19% 0.235 142.6)
XYZ	xyz(28.2336, 52.0657, 12.6986)
Luminance	0.5207 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DB3B #D63BDB

analogous

#90DB3B #40DB3B #3BDB86

triadic

#40DB3B #3B40DB #DB3B40

tetradic

#40DB3B #3B90DB #D63BDB #DB863B

square

#40DB3B #3B90DB #D63BDB #DB863B

split-complementary

#40DB3B #863BDB #DB3B90

monochromatic

#1B8318 #26B722 #40DB3B #72E46F #A5EEA2

Accessibility & contrast

On white

1.84

#40DB3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.41

#40DB3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DB3B

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DB3B	#FFFFFF	#000000	##000000
##40DB3B	1.00	1.84	11.41	11.41
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.41	21.00	1.00	1.00
##000000	11.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C61C

Deuteranopia (green-blind)

#CEBA4C

Tritanopia (blue-blind)

#07D4BC

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #40db3b;
/* rgb */ color: rgb(64, 219, 59);
/* oklch */ color: oklch(78.2% 0.235 142.6);

Tailwind

colors: {
  custom: {
    50: '#8be77b',
    500: '#40db3b',
    950: '#000000',
  },
}

SCSS

$custom: #40db3b;
$custom-light: #8be77b;
$custom-dark: #000000;

JSON

{
  "hex": "#40db3b",
  "rgb": {
    "r": 64,
    "g": 219,
    "b": 59
  },
  "hsl": {
    "h": 118.125,
    "s": 68.966,
    "l": 54.51
  },
  "oklch": {
    "l": 0.78194,
    "c": 0.23495,
    "h": 142.6
  },
  "luminance": 0.52069
}

Semantic roles & 50–950 ramp

primary

#40DB3B

secondary

#87308A

accent

#3CECE6

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160A

muted

#7F847D

Preview Lab

Preview with #40DB3B

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

Preview Lab → · Contrast checker → · Palette generator →