#4ECC5B#4ECC5B

#4ECC5B is a light, vivid green. Relative luminance 0.456; OKLCH L 75.0% C 0.190 H 145.1°. Best body text is #000000 at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#4ECC5B
RGB	rgb(78, 204, 91)
HSL	hsl(126, 55%, 55%)
HSV	hsv(126, 62%, 80%)
CMYK	cmyk(61.8%, 0%, 55.4%, 20%)
CIE-LAB	lab(73.26, -57.59, 45.60)
CIE-LCH	lch(73.26, 73.46, 141.63°)
OKLab	oklab(75.02% -0.1559 0.1086)
OKLCH	oklch(75.02% 0.19 145.1)
XYZ	xyz(26.6214, 45.5582, 17.2862)
Luminance	0.4556 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ECC5B #CC4EBF

analogous

#80CC4E #4ECC5B #4ECC9A

triadic

#4ECC5B #5B4ECC #CC5B4E

tetradic

#4ECC5B #4E80CC #CC4EBF #CC9A4E

square

#4ECC5B #4E80CC #CC4EBF #CC9A4E

split-complementary

#4ECC5B #9A4ECC #CC4E80

monochromatic

#247C2D #31AB3E #4ECC5B #7EDA87 #ADE7B3

Accessibility & contrast

On white

2.08

#4ECC5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.11

#4ECC5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECC5B

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ECC5B	#FFFFFF	#000000	##000000
##4ECC5B	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)

#CFBA50

Deuteranopia (green-blind)

#BFB064

Tritanopia (blue-blind)

#31C7B3

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #4ecc5b;
/* rgb */ color: rgb(78, 204, 91);
/* oklch */ color: oklch(75.0% 0.190 145.1);

Tailwind

colors: {
  custom: {
    50: '#8ddd8c',
    500: '#4ecc5b',
    950: '#000000',
  },
}

SCSS

$custom: #4ecc5b;
$custom-light: #8ddd8c;
$custom-dark: #000000;

JSON

{
  "hex": "#4ecc5b",
  "rgb": {
    "r": 78,
    "g": 204,
    "b": 91
  },
  "hsl": {
    "h": 126.19,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.75015,
    "c": 0.19002,
    "h": 145.1
  },
  "luminance": 0.45561
}

Semantic roles & 50–950 ramp

primary

#4ECC5B

secondary

#D5A1D0

accent

#49CFDF

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #4ECC5B

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

Preview Lab → · Contrast checker → · Palette generator →