#40B03E#40B03E

#40B03E is a light, vivid green. Relative luminance 0.325; OKLCH L 67.0% C 0.184 H 142.9°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#40B03E
RGB	rgb(64, 176, 62)
HSL	hsl(119, 48%, 47%)
HSV	hsv(119, 65%, 69%)
CMYK	cmyk(63.6%, 0%, 64.8%, 31%)
CIE-LAB	lab(63.74, -53.91, 47.70)
CIE-LCH	lch(63.74, 71.98, 138.50°)
OKLab	oklab(66.95% -0.1465 0.1107)
OKLCH	oklch(66.95% 0.184 142.9)
XYZ	xyz(18.5081, 32.4866, 9.8517)
Luminance	0.3249 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B03E #AE3EB0

analogous

#79B03E #40B03E #3EB075

triadic

#40B03E #3E40B0 #B03E40

tetradic

#40B03E #3E79B0 #AE3EB0 #B0753E

square

#40B03E #3E79B0 #AE3EB0 #B0753E

split-complementary

#40B03E #753EB0 #B03E79

monochromatic

#1F551E #30832E #40B03E #65C863 #92D890

Accessibility & contrast

On white

2.80

#40B03E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#40B03E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B03E

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B03E	#FFFFFF	#000000	##000000
##40B03E	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A030

Deuteranopia (green-blind)

#A69748

Tritanopia (blue-blind)

#29AB98

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #40b03e;
/* rgb */ color: rgb(64, 176, 62);
/* oklch */ color: oklch(67.0% 0.184 142.9);

Tailwind

colors: {
  custom: {
    50: '#82c978',
    500: '#40b03e',
    950: '#000000',
  },
}

SCSS

$custom: #40b03e;
$custom-light: #82c978;
$custom-dark: #000000;

JSON

{
  "hex": "#40b03e",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 62
  },
  "hsl": {
    "h": 118.947,
    "s": 47.899,
    "l": 46.667
  },
  "oklch": {
    "l": 0.66953,
    "c": 0.18364,
    "h": 142.9
  },
  "luminance": 0.32488
}

Semantic roles & 50–950 ramp

primary

#40B03E

secondary

#C287C3

accent

#50D7D5

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B03E

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

Preview Lab → · Contrast checker → · Palette generator →