#4ECC5E#4ECC5E

#4ECC5E is a light, vivid green. Relative luminance 0.456; OKLCH L 75.1% C 0.187 H 145.6°. Best body text is #000000 at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#4ECC5E
RGB	rgb(78, 204, 94)
HSL	hsl(128, 55%, 55%)
HSV	hsv(128, 62%, 80%)
CMYK	cmyk(61.8%, 0%, 53.9%, 20%)
CIE-LAB	lab(73.29, -57.20, 44.22)
CIE-LCH	lch(73.29, 72.30, 142.29°)
OKLab	oklab(75.05% -0.1547 0.1058)
OKLCH	oklch(75.05% 0.187 145.6)
XYZ	xyz(26.7534, 45.6110, 17.9814)
Luminance	0.4561 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ECC5E #CC4EBC

analogous

#7DCC4E #4ECC5E #4ECC9D

triadic

#4ECC5E #5E4ECC #CC5E4E

tetradic

#4ECC5E #4E7DCC #CC4EBC #CC9D4E

square

#4ECC5E #4E7DCC #CC4EBC #CC9D4E

split-complementary

#4ECC5E #9D4ECC #CC4E7D

monochromatic

#247C2F #31AB41 #4ECC5E #7EDA89 #ADE7B4

Accessibility & contrast

On white

2.07

#4ECC5E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.12

#4ECC5E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECC5E

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ECC5E	#FFFFFF	#000000	##000000
##4ECC5E	1.00	2.07	10.12	10.12
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.12	21.00	1.00	1.00
##000000	10.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFBB54

Deuteranopia (green-blind)

#BFB066

Tritanopia (blue-blind)

#30C7B3

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #4ecc5e;
/* rgb */ color: rgb(78, 204, 94);
/* oklch */ color: oklch(75.1% 0.187 145.6);

Tailwind

colors: {
  custom: {
    50: '#8ddc8e',
    500: '#4ecc5e',
    950: '#000000',
  },
}

SCSS

$custom: #4ecc5e;
$custom-light: #8ddc8e;
$custom-dark: #000000;

JSON

{
  "hex": "#4ecc5e",
  "rgb": {
    "r": 78,
    "g": 204,
    "b": 94
  },
  "hsl": {
    "h": 127.619,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.75054,
    "c": 0.18747,
    "h": 145.6
  },
  "luminance": 0.45614
}

Semantic roles & 50–950 ramp

primary

#4ECC5E

secondary

#D5A1CF

accent

#49CCDF

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #4ECC5E

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

Preview Lab → · Contrast checker → · Palette generator →