#4EC03B#4EC03B

#4EC03B is a light, vivid green. Relative luminance 0.396; OKLCH L 71.6% C 0.199 H 141.0°. Best body text is #000000 at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#4EC03B
RGB	rgb(78, 192, 59)
HSL	hsl(111, 53%, 49%)
HSV	hsv(111, 69%, 75%)
CMYK	cmyk(59.4%, 0%, 69.3%, 24.7%)
CIE-LAB	lab(69.21, -56.69, 54.94)
CIE-LCH	lch(69.21, 78.95, 135.90°)
OKLab	oklab(71.57% -0.155 0.1255)
OKLCH	oklch(71.57% 0.199 141)
XYZ	xyz(22.7798, 39.6327, 10.5862)
Luminance	0.3963 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EC03B #AD3BC0

analogous

#90C03B #4EC03B #3BC06B

triadic

#4EC03B #3B4EC0 #C03B4E

tetradic

#4EC03B #3B90C0 #AD3BC0 #C06B3B

square

#4EC03B #3B90C0 #AD3BC0 #C06B3B

split-complementary

#4EC03B #6B3BC0 #C03B90

monochromatic

#28621E #3B912D #4EC03B #77D168 #A1DF97

Accessibility & contrast

On white

2.35

#4EC03B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.93

#4EC03B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EC03B

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EC03B	#FFFFFF	#000000	##000000
##4EC03B	1.00	2.35	8.93	8.93
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.93	21.00	1.00	1.00
##000000	8.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AF27

Deuteranopia (green-blind)

#B7A548

Tritanopia (blue-blind)

#3DBAA5

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #4ec03b;
/* rgb */ color: rgb(78, 192, 59);
/* oklch */ color: oklch(71.6% 0.199 141.0);

Tailwind

colors: {
  custom: {
    50: '#8cd478',
    500: '#4ec03b',
    950: '#000000',
  },
}

SCSS

$custom: #4ec03b;
$custom-light: #8cd478;
$custom-dark: #000000;

JSON

{
  "hex": "#4ec03b",
  "rgb": {
    "r": 78,
    "g": 192,
    "b": 59
  },
  "hsl": {
    "h": 111.429,
    "s": 52.988,
    "l": 49.216
  },
  "oklch": {
    "l": 0.71574,
    "c": 0.19947,
    "h": 141
  },
  "luminance": 0.39635
}

Semantic roles & 50–950 ramp

primary

#4EC03B

secondary

#C28CCA

accent

#4BDCC8

background

#F9FDF7

surface

#F1FAEE

border

#CBD3C9

text

#0D1409

muted

#7E837B

Preview Lab

Preview with #4EC03B

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

Preview Lab → · Contrast checker → · Palette generator →