#40B552#40B552

#40B552 is a light, vivid green. Relative luminance 0.347; OKLCH L 68.5% C 0.174 H 146.0°. Best body text is #000000 at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#40B552
RGB	rgb(64, 181, 82)
HSL	hsl(129, 48%, 48%)
HSV	hsv(129, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 54.7%, 29%)
CIE-LAB	lab(65.55, -53.32, 40.57)
CIE-LCH	lch(65.55, 67.00, 142.74°)
OKLab	oklab(68.51% -0.1441 0.097)
OKLCH	oklch(68.51% 0.174 146)
XYZ	xyz(20.1599, 34.7449, 13.6250)
Luminance	0.3475 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B552 #B540A3

analogous

#68B540 #40B552 #40B58C

triadic

#40B552 #5240B5 #B55240

tetradic

#40B552 #4068B5 #B540A3 #B58C40

square

#40B552 #4068B5 #B540A3 #B58C40

split-complementary

#40B552 #8C40B5 #B54068

monochromatic

#205B29 #30883E #40B552 #68CA77 #96DAA0

Accessibility & contrast

On white

2.64

#40B552 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.95

#40B552 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B552

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B552	#FFFFFF	#000000	##000000
##40B552	1.00	2.64	7.95	7.95
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.95	21.00	1.00	1.00
##000000	7.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A549

Deuteranopia (green-blind)

#A99B59

Tritanopia (blue-blind)

#1FB19F

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40b552;
/* rgb */ color: rgb(64, 181, 82);
/* oklch */ color: oklch(68.5% 0.174 146.0);

Tailwind

colors: {
  custom: {
    50: '#82cc85',
    500: '#40b552',
    950: '#000000',
  },
}

SCSS

$custom: #40b552;
$custom-light: #82cc85;
$custom-dark: #000000;

JSON

{
  "hex": "#40b552",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 82
  },
  "hsl": {
    "h": 129.231,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.68513,
    "c": 0.17371,
    "h": 146
  },
  "luminance": 0.34747
}

Semantic roles & 50–950 ramp

primary

#40B552

secondary

#C58BBC

accent

#50C3D7

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C130B

muted

#7D827C

Preview Lab

Preview with #40B552

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

Preview Lab → · Contrast checker → · Palette generator →