#40BB40#40BB40

#40BB40 is a light, vivid green. Relative luminance 0.370; OKLCH L 69.9% C 0.196 H 143.1°. Best body text is #000000 at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#40BB40
RGB	rgb(64, 187, 64)
HSL	hsl(120, 49%, 49%)
HSV	hsv(120, 66%, 73%)
CMYK	cmyk(65.8%, 0%, 65.8%, 26.7%)
CIE-LAB	lab(67.28, -57.60, 50.73)
CIE-LCH	lch(67.28, 76.75, 138.63°)
OKLab	oklab(69.88% -0.1564 0.1173)
OKLCH	oklch(69.88% 0.196 143.1)
XYZ	xyz(20.8089, 36.9987, 10.8943)
Luminance	0.3700 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BB40 #BB40BB

analogous

#7EBB40 #40BB40 #40BB7E

triadic

#40BB40 #4040BB #BB4040

tetradic

#40BB40 #407EBB #BB40BB #BB7E40

square

#40BB40 #407EBB #BB40BB #BB7E40

split-complementary

#40BB40 #7E40BB #BB407E

monochromatic

#216021 #308D30 #40BB40 #6CCD6C #99DC99

Accessibility & contrast

On white

2.50

#40BB40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.40

#40BB40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BB40

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BB40	#FFFFFF	#000000	##000000
##40BB40	1.00	2.50	8.40	8.40
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.40	21.00	1.00	1.00
##000000	8.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFAA30

Deuteranopia (green-blind)

#B0A04B

Tritanopia (blue-blind)

#23B6A2

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #40bb40;
/* rgb */ color: rgb(64, 187, 64);
/* oklch */ color: oklch(69.9% 0.196 143.1);

Tailwind

colors: {
  custom: {
    50: '#84d07a',
    500: '#40bb40',
    950: '#000000',
  },
}

SCSS

$custom: #40bb40;
$custom-light: #84d07a;
$custom-dark: #000000;

JSON

{
  "hex": "#40bb40",
  "rgb": {
    "r": 64,
    "g": 187,
    "b": 64
  },
  "hsl": {
    "h": 120,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.69881,
    "c": 0.19553,
    "h": 143.1
  },
  "luminance": 0.37001
}

Semantic roles & 50–950 ramp

primary

#40BB40

secondary

#C88FC8

accent

#4FD9D9

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C140A

muted

#7D827C

Preview Lab

Preview with #40BB40

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

Preview Lab → · Contrast checker → · Palette generator →