#40C851#40C851

#40C851 is a light, vivid green. Relative luminance 0.430; OKLCH L 73.5% C 0.198 H 145.1°. Best body text is #000000 at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#40C851
RGB	rgb(64, 200, 81)
HSL	hsl(128, 55%, 52%)
HSV	hsv(128, 68%, 78%)
CMYK	cmyk(68%, 0%, 59.5%, 21.6%)
CIE-LAB	lab(71.55, -60.23, 48.11)
CIE-LCH	lch(71.55, 77.08, 141.39°)
OKLab	oklab(73.47% -0.1628 0.1134)
OKLCH	oklch(73.47% 0.198 145.1)
XYZ	xyz(24.2522, 42.9900, 14.8028)
Luminance	0.4299 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C851 #C840B7

analogous

#73C840 #40C851 #40C895

triadic

#40C851 #5140C8 #C85140

tetradic

#40C851 #4073C8 #C840B7 #C89540

square

#40C851 #4073C8 #C840B7 #C89540

split-complementary

#40C851 #9540C8 #C84073

monochromatic

#206E29 #2D9D3B #40C851 #70D67C #9FE3A8

Accessibility & contrast

On white

2.19

#40C851 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.60

#40C851 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C851

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C851	#FFFFFF	#000000	##000000
##40C851	1.00	2.19	9.60	9.60
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.60	21.00	1.00	1.00
##000000	9.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBB644

Deuteranopia (green-blind)

#BBAB5B

Tritanopia (blue-blind)

#10C3AE

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #40c851;
/* rgb */ color: rgb(64, 200, 81);
/* oklch */ color: oklch(73.5% 0.198 145.1);

Tailwind

colors: {
  custom: {
    50: '#86da86',
    500: '#40c851',
    950: '#000000',
  },
}

SCSS

$custom: #40c851;
$custom-light: #86da86;
$custom-dark: #000000;

JSON

{
  "hex": "#40c851",
  "rgb": {
    "r": 64,
    "g": 200,
    "b": 81
  },
  "hsl": {
    "h": 127.5,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.73467,
    "c": 0.19838,
    "h": 145.1
  },
  "luminance": 0.42993
}

Semantic roles & 50–950 ramp

primary

#40C851

secondary

#D094C8

accent

#49CCDF

background

#F8FDF8

surface

#F0FBF0

border

#CBD4CB

text

#0D150B

muted

#7D837C

Preview Lab

Preview with #40C851

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

Preview Lab → · Contrast checker → · Palette generator →