#4EC31B#4EC31B

#4EC31B is a light, highly saturated green. Relative luminance 0.407; OKLCH L 72.2% C 0.218 H 139.0°. Best body text is #000000 at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#4EC31B
RGB	rgb(78, 195, 27)
HSL	hsl(102, 76%, 44%)
HSV	hsv(102, 86%, 76%)
CMYK	cmyk(60%, 0%, 86.2%, 23.5%)
CIE-LAB	lab(69.98, -59.70, 65.57)
CIE-LCH	lch(69.98, 88.68, 132.32°)
OKLab	oklab(72.16% -0.1647 0.1435)
OKLCH	oklch(72.16% 0.218 139)
XYZ	xyz(22.8539, 40.7270, 7.6934)
Luminance	0.4073 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EC31B #901BC3

analogous

#A2C31B #4EC31B #1BC33C

triadic

#4EC31B #1B4EC3 #C31B4E

tetradic

#4EC31B #1BA2C3 #901BC3 #C33C1B

square

#4EC31B #1BA2C3 #901BC3 #C33C1B

split-complementary

#4EC31B #3C1BC3 #C31BA2

monochromatic

#23570C #388D14 #4EC31B #6CE338 #94EB6E

Accessibility & contrast

On white

2.30

#4EC31B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.15

#4EC31B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EC31B

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EC31B	#FFFFFF	#000000	##000000
##4EC31B	1.00	2.30	9.15	9.15
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.15	21.00	1.00	1.00
##000000	9.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B100

Deuteranopia (green-blind)

#BBA733

Tritanopia (blue-blind)

#40BCA6

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #4ec31b;
/* rgb */ color: rgb(78, 195, 27);
/* oklch */ color: oklch(72.2% 0.218 139.0);

Tailwind

colors: {
  custom: {
    50: '#8ed66a',
    500: '#4ec31b',
    950: '#000000',
  },
}

SCSS

$custom: #4ec31b;
$custom-light: #8ed66a;
$custom-dark: #000000;

JSON

{
  "hex": "#4ec31b",
  "rgb": {
    "r": 78,
    "g": 195,
    "b": 27
  },
  "hsl": {
    "h": 101.786,
    "s": 75.676,
    "l": 43.529
  },
  "oklch": {
    "l": 0.72163,
    "c": 0.21846,
    "h": 139
  },
  "luminance": 0.40729
}

Semantic roles & 50–950 ramp

primary

#4EC31B

secondary

#B169D1

accent

#36F2B9

background

#F9FDF6

surface

#F2FAEC

border

#CCD3C7

text

#0E1407

muted

#7E837A

Preview Lab

Preview with #4EC31B

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

Preview Lab → · Contrast checker → · Palette generator →