#4C9E1B#4C9E1B

#4C9E1B is a light, vivid yellow-green. Relative luminance 0.261; OKLCH L 62.3% C 0.178 H 137.0°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#4C9E1B
RGB	rgb(76, 158, 27)
HSL	hsl(98, 71%, 36%)
HSV	hsv(98, 83%, 62%)
CMYK	cmyk(51.9%, 0%, 82.9%, 38%)
CIE-LAB	lab(58.10, -46.79, 54.94)
CIE-LCH	lch(58.10, 72.16, 130.42°)
OKLab	oklab(62.33% -0.1301 0.1211)
OKLCH	oklch(62.33% 0.178 137)
XYZ	xyz(15.4047, 26.0682, 5.2566)
Luminance	0.2607 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C9E1B #6D1B9E

analogous

#8E9E1B #4C9E1B #1B9E2B

triadic

#4C9E1B #1B4C9E #9E1B4C

tetradic

#4C9E1B #1B8E9E #6D1B9E #9E2B1B

square

#4C9E1B #1B8E9E #6D1B9E #9E2B1B

split-complementary

#4C9E1B #2B1B9E #9E1B8E

monochromatic

#1A3509 #336A12 #4C9E1B #65D224 #88E152

Accessibility & contrast

On white

3.38

#4C9E1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#4C9E1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C9E1B

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C9E1B	#FFFFFF	#000000	##000000
##4C9E1B	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A39000

Deuteranopia (green-blind)

#99892B

Tritanopia (blue-blind)

#479886

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4c9e1b;
/* rgb */ color: rgb(76, 158, 27);
/* oklch */ color: oklch(62.3% 0.178 137.0);

Tailwind

colors: {
  custom: {
    50: '#87bb64',
    500: '#4c9e1b',
    950: '#000000',
  },
}

SCSS

$custom: #4c9e1b;
$custom-light: #87bb64;
$custom-dark: #000000;

JSON

{
  "hex": "#4c9e1b",
  "rgb": {
    "r": 76,
    "g": 158,
    "b": 27
  },
  "hsl": {
    "h": 97.557,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.62332,
    "c": 0.17771,
    "h": 137
  },
  "luminance": 0.26069
}

Semantic roles & 50–950 ramp

primary

#4C9E1B

secondary

#9951C4

accent

#3AEEAA

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #4C9E1B

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

Preview Lab → · Contrast checker → · Palette generator →