#40B03D#40B03D

#40B03D is a light, vivid green. Relative luminance 0.325; OKLCH L 66.9% C 0.184 H 142.8°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#40B03D
RGB	rgb(64, 176, 61)
HSL	hsl(118, 49%, 46%)
HSV	hsv(118, 65%, 69%)
CMYK	cmyk(63.6%, 0%, 65.3%, 31%)
CIE-LAB	lab(63.73, -54.01, 48.12)
CIE-LCH	lch(63.73, 72.34, 138.30°)
OKLab	oklab(66.94% -0.1469 0.1115)
OKLCH	oklch(66.94% 0.184 142.8)
XYZ	xyz(18.4810, 32.4758, 9.7085)
Luminance	0.3248 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B03D #AD3DB0

analogous

#7AB03D #40B03D #3DB074

triadic

#40B03D #3D40B0 #B03D40

tetradic

#40B03D #3D7AB0 #AD3DB0 #B0743D

square

#40B03D #3D7AB0 #AD3DB0 #B0743D

split-complementary

#40B03D #743DB0 #B03D7A

monochromatic

#1F551D #2F832D #40B03D #64C862 #91D88F

Accessibility & contrast

On white

2.80

#40B03D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#40B03D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B03D

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B03D	#FFFFFF	#000000	##000000
##40B03D	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)

#B4A02F

Deuteranopia (green-blind)

#A69747

Tritanopia (blue-blind)

#2AAB98

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #40b03d;
/* rgb */ color: rgb(64, 176, 61);
/* oklch */ color: oklch(66.9% 0.184 142.8);

Tailwind

colors: {
  custom: {
    50: '#82c977',
    500: '#40b03d',
    950: '#000000',
  },
}

SCSS

$custom: #40b03d;
$custom-light: #82c977;
$custom-dark: #000000;

JSON

{
  "hex": "#40b03d",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 61
  },
  "hsl": {
    "h": 118.435,
    "s": 48.523,
    "l": 46.471
  },
  "oklch": {
    "l": 0.66943,
    "c": 0.18438,
    "h": 142.8
  },
  "luminance": 0.32478
}

Semantic roles & 50–950 ramp

primary

#40B03D

secondary

#C286C3

accent

#50D8D5

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B03D

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

Preview Lab → · Contrast checker → · Palette generator →