#4F9D21#4F9D21

#4F9D21 is a light, vivid yellow-green. Relative luminance 0.259; OKLCH L 62.2% C 0.172 H 136.8°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#4F9D21
RGB	rgb(79, 157, 33)
HSL	hsl(98, 65%, 37%)
HSV	hsv(98, 79%, 62%)
CMYK	cmyk(49.7%, 0%, 79%, 38.4%)
CIE-LAB	lab(57.93, -45.16, 53.02)
CIE-LCH	lch(57.93, 69.64, 130.42°)
OKLab	oklab(62.23% -0.1255 0.1179)
OKLCH	oklch(62.23% 0.172 136.8)
XYZ	xyz(15.5555, 25.8849, 5.6152)
Luminance	0.2589 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F9D21 #6F219D

analogous

#8D9D21 #4F9D21 #219D31

triadic

#4F9D21 #214F9D #9D214F

tetradic

#4F9D21 #218D9D #6F219D #9D3121

square

#4F9D21 #218D9D #6F219D #9D3121

split-complementary

#4F9D21 #31219D #9D218D

monochromatic

#1C380C #366A16 #4F9D21 #68D02C #8CDD5C

Accessibility & contrast

On white

3.40

#4F9D21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#4F9D21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F9D21

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F9D21	#FFFFFF	#000000	##000000
##4F9D21	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A28F00

Deuteranopia (green-blind)

#98892F

Tritanopia (blue-blind)

#4B9786

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4f9d21;
/* rgb */ color: rgb(79, 157, 33);
/* oklch */ color: oklch(62.2% 0.172 136.8);

Tailwind

colors: {
  custom: {
    50: '#88ba67',
    500: '#4f9d21',
    950: '#000000',
  },
}

SCSS

$custom: #4f9d21;
$custom-light: #88ba67;
$custom-dark: #000000;

JSON

{
  "hex": "#4f9d21",
  "rgb": {
    "r": 79,
    "g": 157,
    "b": 33
  },
  "hsl": {
    "h": 97.742,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.62231,
    "c": 0.17222,
    "h": 136.8
  },
  "luminance": 0.25886
}

Semantic roles & 50–950 ramp

primary

#4F9D21

secondary

#9A59C1

accent

#40E8AA

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #4F9D21

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

Preview Lab → · Contrast checker → · Palette generator →