#40C173#40C173

#40C173 is a light, vivid green. Relative luminance 0.405; OKLCH L 72.2% C 0.160 H 152.9°. Best body text is #000000 at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#40C173
RGB	rgb(64, 193, 115)
HSL	hsl(144, 51%, 50%)
HSV	hsv(144, 67%, 76%)
CMYK	cmyk(66.8%, 0%, 40.4%, 24.3%)
CIE-LAB	lab(69.80, -52.59, 29.26)
CIE-LCH	lch(69.80, 60.18, 150.91°)
OKLab	oklab(72.17% -0.142 0.0727)
OKLCH	oklch(72.17% 0.16 152.9)
XYZ	xyz(24.2768, 40.4651, 22.7475)
Luminance	0.4047 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C173 #C1408E

analogous

#4DC140 #40C173 #40C1B3

triadic

#40C173 #7340C1 #C17340

tetradic

#40C173 #404DC1 #C1408E #C1B340

square

#40C173 #404DC1 #C1408E #C1B340

split-complementary

#40C173 #B340C1 #C1404D

monochromatic

#21663C #309457 #40C173 #6ED095 #9CDFB7

Accessibility & contrast

On white

2.31

#40C173 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.09

#40C173 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C173

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C173	#FFFFFF	#000000	##000000
##40C173	1.00	2.31	9.09	9.09
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.09	21.00	1.00	1.00
##000000	9.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1B16E

Deuteranopia (green-blind)

#B1A678

Tritanopia (blue-blind)

#00BEAE

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #40c173;
/* rgb */ color: rgb(64, 193, 115);
/* oklch */ color: oklch(72.2% 0.160 152.9);

Tailwind

colors: {
  custom: {
    50: '#84d59c',
    500: '#40c173',
    950: '#000000',
  },
}

SCSS

$custom: #40c173;
$custom-light: #84d59c;
$custom-dark: #000000;

JSON

{
  "hex": "#40c173",
  "rgb": {
    "r": 64,
    "g": 193,
    "b": 115
  },
  "hsl": {
    "h": 143.721,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.72169,
    "c": 0.15951,
    "h": 152.9
  },
  "luminance": 0.40468
}

Semantic roles & 50–950 ramp

primary

#40C173

secondary

#CB92B4

accent

#4DA3DA

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C140E

muted

#7D837E

Preview Lab

Preview with #40C173

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

Preview Lab → · Contrast checker → · Palette generator →