#40B373#40B373

#40B373 is a light, vivid green. Relative luminance 0.346; OKLCH L 68.6% C 0.141 H 155.2°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#40B373
RGB	rgb(64, 179, 115)
HSL	hsl(147, 47%, 48%)
HSV	hsv(147, 64%, 70%)
CMYK	cmyk(64.2%, 0%, 35.8%, 29.8%)
CIE-LAB	lab(65.41, -47.07, 23.42)
CIE-LCH	lch(65.41, 52.57, 153.54°)
OKLab	oklab(68.56% -0.1276 0.0588)
OKLCH	oklch(68.56% 0.141 155.2)
XYZ	xyz(21.3271, 34.5658, 21.7642)
Luminance	0.3457 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B373 #B34080

analogous

#46B340 #40B373 #40B3AD

triadic

#40B373 #7340B3 #B37340

tetradic

#40B373 #4046B3 #B34080 #B3AD40

square

#40B373 #4046B3 #B34080 #B3AD40

split-complementary

#40B373 #AD40B3 #B34046

monochromatic

#205939 #308656 #40B373 #67C993 #94D9B3

Accessibility & contrast

On white

2.65

#40B373 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.91

#40B373 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B373

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B373	#FFFFFF	#000000	##000000
##40B373	1.00	2.65	7.91	7.91
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.91	21.00	1.00	1.00
##000000	7.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A56F

Deuteranopia (green-blind)

#A39B77

Tritanopia (blue-blind)

#00B1A3

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40b373;
/* rgb */ color: rgb(64, 179, 115);
/* oklch */ color: oklch(68.6% 0.141 155.2);

Tailwind

colors: {
  custom: {
    50: '#81cb9b',
    500: '#40b373',
    950: '#000000',
  },
}

SCSS

$custom: #40b373;
$custom-light: #81cb9b;
$custom-dark: #000000;

JSON

{
  "hex": "#40b373",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 115
  },
  "hsl": {
    "h": 146.609,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.68558,
    "c": 0.1405,
    "h": 155.2
  },
  "luminance": 0.34568
}

Semantic roles & 50–950 ramp

primary

#40B373

secondary

#C48AAB

accent

#519BD7

background

#F8FCF9

surface

#F0F8F2

border

#CBD1CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #40B373

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

Preview Lab → · Contrast checker → · Palette generator →