#40C04E#40C04E

#40C04E is a light, vivid green. Relative luminance 0.393; OKLCH L 71.3% C 0.191 H 144.9°. Best body text is #000000 at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#40C04E
RGB	rgb(64, 192, 78)
HSL	hsl(127, 50%, 50%)
HSV	hsv(127, 67%, 75%)
CMYK	cmyk(66.7%, 0%, 59.4%, 24.7%)
CIE-LAB	lab(68.99, -57.80, 46.51)
CIE-LCH	lch(68.99, 74.19, 141.17°)
OKLab	oklab(71.35% -0.1563 0.1097)
OKLCH	oklch(71.35% 0.191 144.9)
XYZ	xyz(22.3377, 39.3370, 13.6218)
Luminance	0.3934 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C04E #C040B2

analogous

#72C040 #40C04E #40C08E

triadic

#40C04E #4E40C0 #C04E40

tetradic

#40C04E #4072C0 #C040B2 #C08E40

square

#40C04E #4072C0 #C040B2 #C08E40

split-complementary

#40C04E #8E40C0 #C04072

monochromatic

#216429 #30923B #40C04E #6ECF79 #9CDEA3

Accessibility & contrast

On white

2.37

#40C04E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.87

#40C04E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C04E

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C04E	#FFFFFF	#000000	##000000
##40C04E	1.00	2.37	8.87	8.87
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.87	21.00	1.00	1.00
##000000	8.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AF42

Deuteranopia (green-blind)

#B4A457

Tritanopia (blue-blind)

#1ABBA7

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #40c04e;
/* rgb */ color: rgb(64, 192, 78);
/* oklch */ color: oklch(71.3% 0.191 144.9);

Tailwind

colors: {
  custom: {
    50: '#85d483',
    500: '#40c04e',
    950: '#000000',
  },
}

SCSS

$custom: #40c04e;
$custom-light: #85d483;
$custom-dark: #000000;

JSON

{
  "hex": "#40c04e",
  "rgb": {
    "r": 64,
    "g": 192,
    "b": 78
  },
  "hsl": {
    "h": 126.563,
    "s": 50.394,
    "l": 50.196
  },
  "oklch": {
    "l": 0.71345,
    "c": 0.19096,
    "h": 144.9
  },
  "luminance": 0.39339
}

Semantic roles & 50–950 ramp

primary

#40C04E

secondary

#CB91C4

accent

#4ECBDA

background

#F8FDF8

surface

#F0FAEF

border

#CBD3CA

text

#0C140B

muted

#7D837C

Preview Lab

Preview with #40C04E

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

Preview Lab → · Contrast checker → · Palette generator →