#4ECF3B#4ECF3B

#4ECF3B is a light, highly saturated green. Relative luminance 0.466; OKLCH L 75.5% C 0.217 H 141.3°. Best body text is #000000 at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#4ECF3B
RGB	rgb(78, 207, 59)
HSL	hsl(112, 61%, 52%)
HSV	hsv(112, 71%, 81%)
CMYK	cmyk(62.3%, 0%, 71.5%, 18.8%)
CIE-LAB	lab(73.91, -61.95, 59.82)
CIE-LCH	lch(73.91, 86.11, 136.00°)
OKLab	oklab(75.46% -0.1692 0.1357)
OKLCH	oklch(75.46% 0.217 141.3)
XYZ	xyz(26.2428, 46.5586, 11.7406)
Luminance	0.4656 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ECF3B #BC3BCF

analogous

#98CF3B #4ECF3B #3BCF72

triadic

#4ECF3B #3B4ECF #CF3B4E

tetradic

#4ECF3B #3B98CF #BC3BCF #CF723B

square

#4ECF3B #3B98CF #BC3BCF #CF723B

split-complementary

#4ECF3B #723BCF #CF3B98

monochromatic

#27731C #38A528 #4ECF3B #7ADB6C #A7E79D

Accessibility & contrast

On white

2.04

#4ECF3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.31

#4ECF3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECF3B

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ECF3B	#FFFFFF	#000000	##000000
##4ECF3B	1.00	2.04	10.31	10.31
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.31	21.00	1.00	1.00
##000000	10.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC22

Deuteranopia (green-blind)

#C4B24A

Tritanopia (blue-blind)

#38C9B2

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #4ecf3b;
/* rgb */ color: rgb(78, 207, 59);
/* oklch */ color: oklch(75.5% 0.217 141.3);

Tailwind

colors: {
  custom: {
    50: '#8fdf7a',
    500: '#4ecf3b',
    950: '#000000',
  },
}

SCSS

$custom: #4ecf3b;
$custom-light: #8fdf7a;
$custom-dark: #000000;

JSON

{
  "hex": "#4ecf3b",
  "rgb": {
    "r": 78,
    "g": 207,
    "b": 59
  },
  "hsl": {
    "h": 112.297,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.75459,
    "c": 0.21693,
    "h": 141.3
  },
  "luminance": 0.46561
}

Semantic roles & 50–950 ramp

primary

#4ECF3B

secondary

#CB93D3

accent

#44E4CF

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0E150A

muted

#7E837C

Preview Lab

Preview with #4ECF3B

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

Preview Lab → · Contrast checker → · Palette generator →