#40B550#40B550

#40B550 is a light, vivid green. Relative luminance 0.347; OKLCH L 68.5% C 0.175 H 145.7°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#40B550
RGB	rgb(64, 181, 80)
HSL	hsl(128, 48%, 48%)
HSV	hsv(128, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 55.8%, 29%)
CIE-LAB	lab(65.53, -53.59, 41.50)
CIE-LCH	lch(65.53, 67.78, 142.24°)
OKLab	oklab(68.49% -0.1449 0.0989)
OKLCH	oklch(68.49% 0.175 145.7)
XYZ	xyz(20.0849, 34.7149, 13.2300)
Luminance	0.3472 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B550 #B540A5

analogous

#6AB540 #40B550 #40B58A

triadic

#40B550 #5040B5 #B55040

tetradic

#40B550 #406AB5 #B540A5 #B58A40

square

#40B550 #406AB5 #B540A5 #B58A40

split-complementary

#40B550 #8A40B5 #B5406A

monochromatic

#205B28 #30883C #40B550 #68CA76 #96DA9F

Accessibility & contrast

On white

2.64

#40B550 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.94

#40B550 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B550

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B550	#FFFFFF	#000000	##000000
##40B550	1.00	2.64	7.94	7.94
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.94	21.00	1.00	1.00
##000000	7.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A546

Deuteranopia (green-blind)

#A99B58

Tritanopia (blue-blind)

#20B19E

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40b550;
/* rgb */ color: rgb(64, 181, 80);
/* oklch */ color: oklch(68.5% 0.175 145.7);

Tailwind

colors: {
  custom: {
    50: '#82cc84',
    500: '#40b550',
    950: '#000000',
  },
}

SCSS

$custom: #40b550;
$custom-light: #82cc84;
$custom-dark: #000000;

JSON

{
  "hex": "#40b550",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 80
  },
  "hsl": {
    "h": 128.205,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.68486,
    "c": 0.17544,
    "h": 145.7
  },
  "luminance": 0.34717
}

Semantic roles & 50–950 ramp

primary

#40B550

secondary

#C58BBD

accent

#50C5D7

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C130B

muted

#7D827C

Preview Lab

Preview with #40B550

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

Preview Lab → · Contrast checker → · Palette generator →