#40B436#40B436

#40B436 is a light, vivid green. Relative luminance 0.340; OKLCH L 67.9% C 0.194 H 142.0°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#40B436
RGB	rgb(64, 180, 54)
HSL	hsl(115, 54%, 46%)
HSV	hsv(115, 70%, 71%)
CMYK	cmyk(64.4%, 0%, 70%, 29.4%)
CIE-LAB	lab(64.96, -56.10, 52.32)
CIE-LCH	lch(64.96, 76.71, 137.00°)
OKLab	oklab(67.94% -0.1529 0.1195)
OKLCH	oklch(67.94% 0.194 142)
XYZ	xyz(19.1004, 33.9969, 9.0448)
Luminance	0.3400 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B436 #AA36B4

analogous

#7FB436 #40B436 #36B46B

triadic

#40B436 #3640B4 #B43640

tetradic

#40B436 #367FB4 #AA36B4 #B46B36

square

#40B436 #367FB4 #AA36B4 #B46B36

split-complementary

#40B436 #6B36B4 #B4367F

monochromatic

#1F561A #2F8528 #40B436 #63CD5A #8FDC89

Accessibility & contrast

On white

2.69

#40B436 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#40B436 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B436

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B436	#FFFFFF	#000000	##000000
##40B436	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A323

Deuteranopia (green-blind)

#AA9A42

Tritanopia (blue-blind)

#2AAF9B

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40b436;
/* rgb */ color: rgb(64, 180, 54);
/* oklch */ color: oklch(67.9% 0.194 142.0);

Tailwind

colors: {
  custom: {
    50: '#83cb74',
    500: '#40b436',
    950: '#000000',
  },
}

SCSS

$custom: #40b436;
$custom-light: #83cb74;
$custom-dark: #000000;

JSON

{
  "hex": "#40b436",
  "rgb": {
    "r": 64,
    "g": 180,
    "b": 54
  },
  "hsl": {
    "h": 115.238,
    "s": 53.846,
    "l": 45.882
  },
  "oklch": {
    "l": 0.67938,
    "c": 0.19404,
    "h": 142
  },
  "luminance": 0.33999
}

Semantic roles & 50–950 ramp

primary

#40B436

secondary

#C080C6

accent

#4BDDD2

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B436

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

Preview Lab → · Contrast checker → · Palette generator →