#40BF66#40BF66

#40BF66 is a light, vivid green. Relative luminance 0.393; OKLCH L 71.4% C 0.169 H 149.7°. Best body text is #000000 at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#40BF66
RGB	rgb(64, 191, 102)
HSL	hsl(138, 50%, 50%)
HSV	hsv(138, 66%, 75%)
CMYK	cmyk(66.5%, 0%, 46.6%, 25.1%)
CIE-LAB	lab(68.97, -54.05, 34.87)
CIE-LCH	lch(68.97, 64.32, 147.17°)
OKLab	oklab(71.42% -0.1457 0.0853)
OKLCH	oklch(71.42% 0.169 149.7)
XYZ	xyz(23.1416, 39.3085, 18.9355)
Luminance	0.3931 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BF66 #BF4099

analogous

#59BF40 #40BF66 #40BFA6

triadic

#40BF66 #6640BF #BF6640

tetradic

#40BF66 #4059BF #BF4099 #BFA640

square

#40BF66 #4059BF #BF4099 #BFA640

split-complementary

#40BF66 #A640BF #BF4059

monochromatic

#216335 #31914E #40BF66 #6ECE8B #9CDEAF

Accessibility & contrast

On white

2.37

#40BF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.86

#40BF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BF66

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BF66	#FFFFFF	#000000	##000000
##40BF66	1.00	2.37	8.86	8.86
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.86	21.00	1.00	1.00
##000000	8.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AF5F

Deuteranopia (green-blind)

#B1A46C

Tritanopia (blue-blind)

#02BCAA

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #40bf66;
/* rgb */ color: rgb(64, 191, 102);
/* oklch */ color: oklch(71.4% 0.169 149.7);

Tailwind

colors: {
  custom: {
    50: '#84d393',
    500: '#40bf66',
    950: '#000000',
  },
}

SCSS

$custom: #40bf66;
$custom-light: #84d393;
$custom-dark: #000000;

JSON

{
  "hex": "#40bf66",
  "rgb": {
    "r": 64,
    "g": 191,
    "b": 102
  },
  "hsl": {
    "h": 137.953,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.71424,
    "c": 0.16886,
    "h": 149.7
  },
  "luminance": 0.39311
}

Semantic roles & 50–950 ramp

primary

#40BF66

secondary

#CA91B9

accent

#4EB0D9

background

#F8FDF9

surface

#F0FAF1

border

#CBD3CB

text

#0C140D

muted

#7D837E

Preview Lab

Preview with #40BF66

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

Preview Lab → · Contrast checker → · Palette generator →