#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
RGB	rgb(78, 207, 91)
HSL	hsl(126, 57%, 56%)
HSV	hsv(126, 62%, 81%)
CMYK	cmyk(62.3%, 0%, 56%, 18.8%)
CIE-LAB	lab(74.19, -58.68, 46.70)
CIE-LCH	lch(74.19, 75.00, 141.48°)
OKLab	oklab(75.78% -0.1588 0.1111)
OKLCH	oklch(75.78% 0.194 145)
XYZ	xyz(27.3413, 46.9980, 17.5262)
Luminance	0.4700 (WCAG relative)
Temperature	neutral
Family	green

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
##4ECF5B	1.00	2.02	10.40	10.40
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.40	21.00	1.00	1.00
##000000	10.40	21.00	1.00	1.00

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 →