#4ECB63#4ECB63

#4ECB63 is a light, vivid green. Relative luminance 0.452; OKLCH L 74.9% C 0.182 H 146.6°. Best body text is #000000 at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#4ECB63
RGB	rgb(78, 203, 99)
HSL	hsl(130, 55%, 55%)
HSV	hsv(130, 62%, 80%)
CMYK	cmyk(61.6%, 0%, 51.2%, 20.4%)
CIE-LAB	lab(73.04, -56.15, 41.52)
CIE-LCH	lch(73.04, 69.83, 143.52°)
OKLab	oklab(74.87% -0.1518 0.1001)
OKLCH	oklch(74.87% 0.182 146.6)
XYZ	xyz(26.7482, 45.2298, 19.1226)
Luminance	0.4523 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ECB63 #CB4EB6

analogous

#77CB4E #4ECB63 #4ECBA1

triadic

#4ECB63 #634ECB #CB634E

tetradic

#4ECB63 #4E77CB #CB4EB6 #CBA14E

square

#4ECB63 #4E77CB #CB4EB6 #CBA14E

split-complementary

#4ECB63 #A14ECB #CB4E77

monochromatic

#247B33 #32AA46 #4ECB63 #7DD98D #ADE7B6

Accessibility & contrast

On white

2.09

#4ECB63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.05

#4ECB63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECB63

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ECB63	#FFFFFF	#000000	##000000
##4ECB63	1.00	2.09	10.05	10.05
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.05	21.00	1.00	1.00
##000000	10.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEBA5A

Deuteranopia (green-blind)

#BEAF6B

Tritanopia (blue-blind)

#2EC7B3

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #4ecb63;
/* rgb */ color: rgb(78, 203, 99);
/* oklch */ color: oklch(74.9% 0.182 146.6);

Tailwind

colors: {
  custom: {
    50: '#8cdc91',
    500: '#4ecb63',
    950: '#000000',
  },
}

SCSS

$custom: #4ecb63;
$custom-light: #8cdc91;
$custom-dark: #000000;

JSON

{
  "hex": "#4ecb63",
  "rgb": {
    "r": 78,
    "g": 203,
    "b": 99
  },
  "hsl": {
    "h": 130.08,
    "s": 54.585,
    "l": 55.098
  },
  "oklch": {
    "l": 0.74869,
    "c": 0.18182,
    "h": 146.6
  },
  "luminance": 0.45232
}

Semantic roles & 50–950 ramp

primary

#4ECB63

secondary

#D5A0CC

accent

#4AC5DE

background

#F9FDF9

surface

#F1FBF1

border

#CBD4CB

text

#0D150D

muted

#7E837E

Preview Lab

Preview with #4ECB63

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

Preview Lab → · Contrast checker → · Palette generator →