#4C9F18#4C9F18

#4C9F18 is a light, vivid yellow-green. Relative luminance 0.264; OKLCH L 62.6% C 0.180 H 137.0°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#4C9F18
RGB	rgb(76, 159, 24)
HSL	hsl(97, 74%, 36%)
HSV	hsv(97, 85%, 62%)
CMYK	cmyk(52.2%, 0%, 84.9%, 37.6%)
CIE-LAB	lab(58.41, -47.32, 56.01)
CIE-LCH	lch(58.41, 73.33, 130.19°)
OKLab	oklab(62.58% -0.1316 0.1229)
OKLCH	oklch(62.58% 0.18 137)
XYZ	xyz(15.5430, 26.3976, 5.1402)
Luminance	0.2640 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C9F18 #6B189F

analogous

#8F9F18 #4C9F18 #189F28

triadic

#4C9F18 #184C9F #9F184C

tetradic

#4C9F18 #188F9F #6B189F #9F2818

square

#4C9F18 #188F9F #6B189F #9F2818

split-complementary

#4C9F18 #28189F #9F188F

monochromatic

#193508 #336A10 #4C9F18 #65D420 #87E44D

Accessibility & contrast

On white

3.34

#4C9F18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#4C9F18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C9F18

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C9F18	#FFFFFF	#000000	##000000
##4C9F18	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#9A8A2A

Tritanopia (blue-blind)

#479987

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4c9f18;
/* rgb */ color: rgb(76, 159, 24);
/* oklch */ color: oklch(62.6% 0.180 137.0);

Tailwind

colors: {
  custom: {
    50: '#87bc63',
    500: '#4c9f18',
    950: '#000000',
  },
}

SCSS

$custom: #4c9f18;
$custom-light: #87bc63;
$custom-dark: #000000;

JSON

{
  "hex": "#4c9f18",
  "rgb": {
    "r": 76,
    "g": 159,
    "b": 24
  },
  "hsl": {
    "h": 96.889,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.62584,
    "c": 0.1801,
    "h": 137
  },
  "luminance": 0.26399
}

Semantic roles & 50–950 ramp

primary

#4C9F18

secondary

#974DC6

accent

#37F0A9

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #4C9F18

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

Preview Lab → · Contrast checker → · Palette generator →