#40BB3F#40BB3F

#40BB3F is a light, vivid green. Relative luminance 0.370; OKLCH L 69.9% C 0.196 H 143.0°. Best body text is #000000 at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#40BB3F
RGB	rgb(64, 187, 63)
HSL	hsl(120, 50%, 49%)
HSV	hsv(120, 66%, 73%)
CMYK	cmyk(65.8%, 0%, 66.3%, 26.7%)
CIE-LAB	lab(67.27, -57.70, 51.14)
CIE-LCH	lch(67.27, 77.10, 138.45°)
OKLab	oklab(69.87% -0.1567 0.1181)
OKLCH	oklch(69.87% 0.196 143)
XYZ	xyz(20.7807, 36.9874, 10.7458)
Luminance	0.3699 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BB3F #BA3FBB

analogous

#7EBB3F #40BB3F #3FBB7C

triadic

#40BB3F #3F40BB #BB3F40

tetradic

#40BB3F #3F7EBB #BA3FBB #BB7C3F

square

#40BB3F #3F7EBB #BA3FBB #BB7C3F

split-complementary

#40BB3F #7C3FBB #BB3F7E

monochromatic

#215F20 #308D30 #40BB3F #6BCD6A #99DC98

Accessibility & contrast

On white

2.50

#40BB3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.40

#40BB3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BB3F

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BB3F	#FFFFFF	#000000	##000000
##40BB3F	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)

#BFAA2F

Deuteranopia (green-blind)

#B0A04A

Tritanopia (blue-blind)

#24B6A2

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #40bb3f;
/* rgb */ color: rgb(64, 187, 63);
/* oklch */ color: oklch(69.9% 0.196 143.0);

Tailwind

colors: {
  custom: {
    50: '#84d07a',
    500: '#40bb3f',
    950: '#000000',
  },
}

SCSS

$custom: #40bb3f;
$custom-light: #84d07a;
$custom-dark: #000000;

JSON

{
  "hex": "#40bb3f",
  "rgb": {
    "r": 64,
    "g": 187,
    "b": 63
  },
  "hsl": {
    "h": 119.516,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.69871,
    "c": 0.19623,
    "h": 143
  },
  "luminance": 0.3699
}

Semantic roles & 50–950 ramp

primary

#40BB3F

secondary

#C88EC8

accent

#4FD9D8

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C1409

muted

#7D827B

Preview Lab

Preview with #40BB3F

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

Preview Lab → · Contrast checker → · Palette generator →