#4ECF5B#4ECF5B

#4ECF5B is a light, vivid green. Relative luminance 0.470; OKLCH L 75.8% C 0.194 H 145.0°. Best body text is #000000 at 10.40:1 contrast (WCAG AA passes).

Color values

HEX#4ECF5B
RGBrgb(78, 207, 91)
HSLhsl(126, 57%, 56%)
HSVhsv(126, 62%, 81%)
CMYKcmyk(62.3%, 0%, 56%, 18.8%)
CIE-LABlab(74.19, -58.68, 46.70)
CIE-LCHlch(74.19, 75.00, 141.48°)
OKLaboklab(75.78% -0.1588 0.1111)
OKLCHoklch(75.78% 0.194 145)
XYZxyz(27.3413, 46.9980, 17.5262)
Luminance0.4700 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4ECF5B #CF4EC2
analogous
#81CF4E #4ECF5B #4ECF9C
triadic
#4ECF5B #5B4ECF #CF5B4E
tetradic
#4ECF5B #4E81CF #CF4EC2 #CF9C4E
square
#4ECF5B #4E81CF #CF4EC2 #CF9C4E
split-complementary
#4ECF5B #9C4ECF #CF4E81
monochromatic
#23802C #30B03D #4ECF5B #7EDC88 #AEE9B4

Accessibility & contrast

On white

2.02
#4ECF5B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.40
#4ECF5B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECF5B
10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4ECF5B#FFFFFF#000000##000000
##4ECF5B1.002.0210.4010.40
#FFFFFF2.021.0021.0021.00
#00000010.4021.001.001.00
##00000010.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#D2BD50
Deuteranopia (green-blind)
#C2B264
Tritanopia (blue-blind)
#30CAB5
Achromatopsia (no color)
#B6B6B6

Design tokens & code

CSS
--color: #4ecf5b;
/* rgb */ color: rgb(78, 207, 91);
/* oklch */ color: oklch(75.8% 0.194 145.0);
Tailwind
colors: {
  custom: {
    50: '#8ddf8c',
    500: '#4ecf5b',
    950: '#000000',
  },
}
SCSS
$custom: #4ecf5b;
$custom-light: #8ddf8c;
$custom-dark: #000000;
JSON
{
  "hex": "#4ecf5b",
  "rgb": {
    "r": 78,
    "g": 207,
    "b": 91
  },
  "hsl": {
    "h": 126.047,
    "s": 57.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.75783,
    "c": 0.19382,
    "h": 145
  },
  "luminance": 0.47001
}

Semantic roles & 50–950 ramp

primary
#4ECF5B
secondary
#D7A2D2
accent
#47D1E1
background
#F9FDF8
surface
#F2FBF0
border
#CCD4CB
text
#0D150C
muted
#7E837D

Preview Lab

Preview with #4ECF5B

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

Preview Lab → · Contrast checker → · Palette generator →

#4ECF5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva