#4ECC4F#4ECC4F

#4ECC4F is a light, vivid green. Relative luminance 0.454; OKLCH L 74.9% C 0.200 H 143.4°. Best body text is #000000 at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#4ECC4F
RGB	rgb(78, 204, 79)
HSL	hsl(120, 55%, 55%)
HSV	hsv(120, 62%, 80%)
CMYK	cmyk(61.8%, 0%, 61.3%, 20%)
CIE-LAB	lab(73.13, -59.02, 50.90)
CIE-LCH	lch(73.13, 77.94, 139.22°)
OKLab	oklab(74.87% -0.1603 0.1191)
OKLCH	oklch(74.87% 0.2 143.4)
XYZ	xyz(26.1445, 45.3674, 14.7746)
Luminance	0.4537 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ECC4F #CC4ECB

analogous

#8CCC4E #4ECC4F #4ECC8E

triadic

#4ECC4F #4F4ECC #CC4F4E

tetradic

#4ECC4F #4E8CCC #CC4ECB #CC8E4E

square

#4ECC4F #4E8CCC #CC4ECB #CC8E4E

split-complementary

#4ECC4F #8E4ECC #CC4E8C

monochromatic

#247C24 #31AB32 #4ECC4F #7EDA7E #ADE7AD

Accessibility & contrast

On white

2.08

#4ECC4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.07

#4ECC4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECC4F

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ECC4F	#FFFFFF	#000000	##000000
##4ECC4F	1.00	2.08	10.07	10.07
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.07	21.00	1.00	1.00
##000000	10.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0BA41

Deuteranopia (green-blind)

#C0AF59

Tritanopia (blue-blind)

#35C6B1

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #4ecc4f;
/* rgb */ color: rgb(78, 204, 79);
/* oklch */ color: oklch(74.9% 0.200 143.4);

Tailwind

colors: {
  custom: {
    50: '#8ddd85',
    500: '#4ecc4f',
    950: '#000000',
  },
}

SCSS

$custom: #4ecc4f;
$custom-light: #8ddd85;
$custom-dark: #000000;

JSON

{
  "hex": "#4ecc4f",
  "rgb": {
    "r": 78,
    "g": 204,
    "b": 79
  },
  "hsl": {
    "h": 120.476,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.74872,
    "c": 0.1997,
    "h": 143.4
  },
  "luminance": 0.4537
}

Semantic roles & 50–950 ramp

primary

#4ECC4F

secondary

#D5A1D5

accent

#49DDDF

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0D150B

muted

#7E837C

Preview Lab

Preview with #4ECC4F

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

Preview Lab → · Contrast checker → · Palette generator →