#40BB4F#40BB4F

#40BB4F is a light, vivid green. Relative luminance 0.372; OKLCH L 70.0% C 0.184 H 145.3°. Best body text is #000000 at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#40BB4F
RGB	rgb(64, 187, 79)
HSL	hsl(127, 49%, 49%)
HSV	hsv(127, 66%, 73%)
CMYK	cmyk(65.8%, 0%, 57.8%, 26.7%)
CIE-LAB	lab(67.42, -55.90, 44.22)
CIE-LCH	lch(67.42, 71.27, 141.65°)
OKLab	oklab(70.05% -0.1511 0.1048)
OKLCH	oklch(70.05% 0.184 145.3)
XYZ	xyz(21.2946, 37.1930, 13.4524)
Luminance	0.3720 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BB4F #BB40AC

analogous

#6FBB40 #40BB4F #40BB8D

triadic

#40BB4F #4F40BB #BB4F40

tetradic

#40BB4F #406FBB #BB40AC #BB8D40

square

#40BB4F #406FBB #BB40AC #BB8D40

split-complementary

#40BB4F #8D40BB #BB406F

monochromatic

#216028 #308D3C #40BB4F #6CCD77 #99DCA1

Accessibility & contrast

On white

2.49

#40BB4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.44

#40BB4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BB4F

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BB4F	#FFFFFF	#000000	##000000
##40BB4F	1.00	2.49	8.44	8.44
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.44	21.00	1.00	1.00
##000000	8.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEAA44

Deuteranopia (green-blind)

#AFA058

Tritanopia (blue-blind)

#1DB6A3

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #40bb4f;
/* rgb */ color: rgb(64, 187, 79);
/* oklch */ color: oklch(70.0% 0.184 145.3);

Tailwind

colors: {
  custom: {
    50: '#84d083',
    500: '#40bb4f',
    950: '#000000',
  },
}

SCSS

$custom: #40bb4f;
$custom-light: #84d083;
$custom-dark: #000000;

JSON

{
  "hex": "#40bb4f",
  "rgb": {
    "r": 64,
    "g": 187,
    "b": 79
  },
  "hsl": {
    "h": 127.317,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.70048,
    "c": 0.18392,
    "h": 145.3
  },
  "luminance": 0.37195
}

Semantic roles & 50–950 ramp

primary

#40BB4F

secondary

#C88FC1

accent

#4FC8D9

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C140B

muted

#7D827C

Preview Lab

Preview with #40BB4F

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

Preview Lab → · Contrast checker → · Palette generator →