#4ECC5F#4ECC5F

#4ECC5F is a light, vivid green. Relative luminance 0.456; OKLCH L 75.1% C 0.187 H 145.8°. Best body text is #000000 at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#4ECC5F
RGB	rgb(78, 204, 95)
HSL	hsl(128, 55%, 55%)
HSV	hsv(128, 62%, 80%)
CMYK	cmyk(61.8%, 0%, 53.4%, 20%)
CIE-LAB	lab(73.30, -57.07, 43.76)
CIE-LCH	lch(73.30, 71.92, 142.52°)
OKLab	oklab(75.07% -0.1544 0.1049)
OKLCH	oklch(75.07% 0.187 145.8)
XYZ	xyz(26.7986, 45.6290, 18.2193)
Luminance	0.4563 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ECC5F #CC4EBB

analogous

#7CCC4E #4ECC5F #4ECC9E

triadic

#4ECC5F #5F4ECC #CC5F4E

tetradic

#4ECC5F #4E7CCC #CC4EBB #CC9E4E

square

#4ECC5F #4E7CCC #CC4EBB #CC9E4E

split-complementary

#4ECC5F #9E4ECC #CC4E7C

monochromatic

#247C30 #31AB42 #4ECC5F #7EDA8A #ADE7B5

Accessibility & contrast

On white

2.07

#4ECC5F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.13

#4ECC5F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECC5F

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ECC5F	#FFFFFF	#000000	##000000
##4ECC5F	1.00	2.07	10.13	10.13
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.13	21.00	1.00	1.00
##000000	10.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFBB55

Deuteranopia (green-blind)

#BFB067

Tritanopia (blue-blind)

#2FC7B3

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #4ecc5f;
/* rgb */ color: rgb(78, 204, 95);
/* oklch */ color: oklch(75.1% 0.187 145.8);

Tailwind

colors: {
  custom: {
    50: '#8cdc8f',
    500: '#4ecc5f',
    950: '#000000',
  },
}

SCSS

$custom: #4ecc5f;
$custom-light: #8cdc8f;
$custom-dark: #000000;

JSON

{
  "hex": "#4ecc5f",
  "rgb": {
    "r": 78,
    "g": 204,
    "b": 95
  },
  "hsl": {
    "h": 128.095,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.75068,
    "c": 0.18661,
    "h": 145.8
  },
  "luminance": 0.45632
}

Semantic roles & 50–950 ramp

primary

#4ECC5F

secondary

#D5A1CE

accent

#49CADF

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #4ECC5F

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

Preview Lab → · Contrast checker → · Palette generator →