#40C451#40C451

#40C451 is a light, vivid green. Relative luminance 0.412; OKLCH L 72.4% C 0.193 H 145.3°. Best body text is #000000 at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#40C451
RGB	rgb(64, 196, 81)
HSL	hsl(128, 53%, 51%)
HSV	hsv(128, 67%, 77%)
CMYK	cmyk(67.3%, 0%, 58.7%, 23.1%)
CIE-LAB	lab(70.29, -58.84, 46.65)
CIE-LCH	lch(70.29, 75.09, 141.59°)
OKLab	oklab(72.43% -0.159 0.1102)
OKLCH	oklch(72.43% 0.193 145.3)
XYZ	xyz(23.3379, 41.1615, 14.4980)
Luminance	0.4116 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C451 #C440B3

analogous

#71C440 #40C451 #40C493

triadic

#40C451 #5140C4 #C45140

tetradic

#40C451 #4071C4 #C440B3 #C49340

square

#40C451 #4071C4 #C440B3 #C49340

split-complementary

#40C451 #9340C4 #C44071

monochromatic

#20692A #2F983C #40C451 #6FD27C #9EE1A6

Accessibility & contrast

On white

2.27

#40C451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.23

#40C451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C451

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C451	#FFFFFF	#000000	##000000
##40C451	1.00	2.27	9.23	9.23
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.23	21.00	1.00	1.00
##000000	9.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B345

Deuteranopia (green-blind)

#B7A85A

Tritanopia (blue-blind)

#15BFAB

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #40c451;
/* rgb */ color: rgb(64, 196, 81);
/* oklch */ color: oklch(72.4% 0.193 145.3);

Tailwind

colors: {
  custom: {
    50: '#85d785',
    500: '#40c451',
    950: '#000000',
  },
}

SCSS

$custom: #40c451;
$custom-light: #85d785;
$custom-dark: #000000;

JSON

{
  "hex": "#40c451",
  "rgb": {
    "r": 64,
    "g": 196,
    "b": 81
  },
  "hsl": {
    "h": 127.727,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.72425,
    "c": 0.19349,
    "h": 145.3
  },
  "luminance": 0.41164
}

Semantic roles & 50–950 ramp

primary

#40C451

secondary

#CD93C6

accent

#4CCADC

background

#F8FDF8

surface

#F0FAEF

border

#CBD3CA

text

#0C140B

muted

#7D837C

Preview Lab

Preview with #40C451

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

Preview Lab → · Contrast checker → · Palette generator →