#40B33F#40B33F

#40B33F is a light, vivid green. Relative luminance 0.337; OKLCH L 67.8% C 0.187 H 143.0°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#40B33F
RGB	rgb(64, 179, 63)
HSL	hsl(119, 48%, 47%)
HSV	hsv(119, 65%, 70%)
CMYK	cmyk(64.2%, 0%, 64.8%, 29.8%)
CIE-LAB	lab(64.71, -54.88, 48.34)
CIE-LCH	lch(64.71, 73.14, 138.63°)
OKLab	oklab(67.76% -0.1491 0.1122)
OKLCH	oklch(67.76% 0.187 143)
XYZ	xyz(19.1306, 33.6872, 10.1958)
Luminance	0.3369 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B33F #B23FB3

analogous

#7AB33F #40B33F #3FB378

triadic

#40B33F #3F40B3 #B33F40

tetradic

#40B33F #3F7AB3 #B23FB3 #B3783F

square

#40B33F #3F7AB3 #B23FB3 #B3783F

split-complementary

#40B33F #783FB3 #B33F7A

monochromatic

#20581F #30862F #40B33F #67C966 #94D993

Accessibility & contrast

On white

2.71

#40B33F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#40B33F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B33F

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B33F	#FFFFFF	#000000	##000000
##40B33F	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A331

Deuteranopia (green-blind)

#A99949

Tritanopia (blue-blind)

#28AE9B

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40b33f;
/* rgb */ color: rgb(64, 179, 63);
/* oklch */ color: oklch(67.8% 0.187 143.0);

Tailwind

colors: {
  custom: {
    50: '#83cb79',
    500: '#40b33f',
    950: '#000000',
  },
}

SCSS

$custom: #40b33f;
$custom-light: #83cb79;
$custom-dark: #000000;

JSON

{
  "hex": "#40b33f",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 63
  },
  "hsl": {
    "h": 119.483,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.67758,
    "c": 0.18658,
    "h": 143
  },
  "luminance": 0.33689
}

Semantic roles & 50–950 ramp

primary

#40B33F

secondary

#C489C4

accent

#50D8D6

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B33F

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

Preview Lab → · Contrast checker → · Palette generator →