#4ECC5A#4ECC5A

#4ECC5A is a light, vivid green. Relative luminance 0.455; OKLCH L 75.0% C 0.191 H 145.0°. Best body text is #000000 at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#4ECC5A
RGB	rgb(78, 204, 90)
HSL	hsl(126, 55%, 55%)
HSV	hsv(126, 62%, 80%)
CMYK	cmyk(61.8%, 0%, 55.9%, 20%)
CIE-LAB	lab(73.25, -57.72, 46.05)
CIE-LCH	lch(73.25, 73.84, 141.42°)
OKLab	oklab(75% -0.1563 0.1096)
OKLCH	oklch(75% 0.191 145)
XYZ	xyz(26.5786, 45.5410, 17.0605)
Luminance	0.4554 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ECC5A #CC4EC0

analogous

#81CC4E #4ECC5A #4ECC99

triadic

#4ECC5A #5A4ECC #CC5A4E

tetradic

#4ECC5A #4E81CC #CC4EC0 #CC994E

square

#4ECC5A #4E81CC #CC4EC0 #CC994E

split-complementary

#4ECC5A #994ECC #CC4E81

monochromatic

#247C2C #31AB3D #4ECC5A #7EDA86 #ADE7B3

Accessibility & contrast

On white

2.08

#4ECC5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.11

#4ECC5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECC5A

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ECC5A	#FFFFFF	#000000	##000000
##4ECC5A	1.00	2.08	10.11	10.11
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.11	21.00	1.00	1.00
##000000	10.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFBA4F

Deuteranopia (green-blind)

#C0B063

Tritanopia (blue-blind)

#31C7B3

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #4ecc5a;
/* rgb */ color: rgb(78, 204, 90);
/* oklch */ color: oklch(75.0% 0.191 145.0);

Tailwind

colors: {
  custom: {
    50: '#8ddd8c',
    500: '#4ecc5a',
    950: '#000000',
  },
}

SCSS

$custom: #4ecc5a;
$custom-light: #8ddd8c;
$custom-dark: #000000;

JSON

{
  "hex": "#4ecc5a",
  "rgb": {
    "r": 78,
    "g": 204,
    "b": 90
  },
  "hsl": {
    "h": 125.714,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.75002,
    "c": 0.19086,
    "h": 145
  },
  "luminance": 0.45544
}

Semantic roles & 50–950 ramp

primary

#4ECC5A

secondary

#D5A1D0

accent

#49D0DF

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #4ECC5A

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

Preview Lab → · Contrast checker → · Palette generator →