#40BB3B#40BB3B

#40BB3B is a light, vivid green. Relative luminance 0.369; OKLCH L 69.8% C 0.199 H 142.6°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#40BB3B
RGB	rgb(64, 187, 59)
HSL	hsl(118, 52%, 48%)
HSV	hsv(118, 68%, 73%)
CMYK	cmyk(65.8%, 0%, 68.4%, 26.7%)
CIE-LAB	lab(67.24, -58.08, 52.74)
CIE-LCH	lch(67.24, 78.45, 137.76°)
OKLab	oklab(69.83% -0.158 0.121)
OKLCH	oklch(69.83% 0.199 142.6)
XYZ	xyz(20.6729, 36.9443, 10.1783)
Luminance	0.3695 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BB3B #B63BBB

analogous

#80BB3B #40BB3B #3BBB76

triadic

#40BB3B #3B40BB #BB3B40

tetradic

#40BB3B #3B80BB #B63BBB #BB763B

square

#40BB3B #3B80BB #B63BBB #BB763B

split-complementary

#40BB3B #763BBB #BB3B80

monochromatic

#205E1E #308C2C #40BB3B #69CE65 #96DD93

Accessibility & contrast

On white

2.50

#40BB3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.39

#40BB3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BB3B

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BB3B	#FFFFFF	#000000	##000000
##40BB3B	1.00	2.50	8.39	8.39
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.39	21.00	1.00	1.00
##000000	8.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFAA29

Deuteranopia (green-blind)

#B0A047

Tritanopia (blue-blind)

#25B6A1

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #40bb3b;
/* rgb */ color: rgb(64, 187, 59);
/* oklch */ color: oklch(69.8% 0.199 142.6);

Tailwind

colors: {
  custom: {
    50: '#84d177',
    500: '#40bb3b',
    950: '#000000',
  },
}

SCSS

$custom: #40bb3b;
$custom-light: #84d177;
$custom-dark: #000000;

JSON

{
  "hex": "#40bb3b",
  "rgb": {
    "r": 64,
    "g": 187,
    "b": 59
  },
  "hsl": {
    "h": 117.656,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.69834,
    "c": 0.19898,
    "h": 142.6
  },
  "luminance": 0.36946
}

Semantic roles & 50–950 ramp

primary

#40BB3B

secondary

#C68AC8

accent

#4CDBD6

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C1409

muted

#7D827B

Preview Lab

Preview with #40BB3B

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

Preview Lab → · Contrast checker → · Palette generator →