#4FA01F#4FA01F

#4FA01F is a light, vivid yellow-green. Relative luminance 0.269; OKLCH L 63.0% C 0.177 H 136.9°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#4FA01F
RGB	rgb(79, 160, 31)
HSL	hsl(98, 68%, 37%)
HSV	hsv(98, 81%, 63%)
CMYK	cmyk(50.6%, 0%, 80.6%, 37.3%)
CIE-LAB	lab(58.88, -46.45, 54.54)
CIE-LCH	lch(58.88, 71.64, 130.42°)
OKLab	oklab(63.01% -0.1291 0.1208)
OKLCH	oklch(63.01% 0.177 136.9)
XYZ	xyz(16.0421, 26.9017, 5.6433)
Luminance	0.2690 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FA01F #701FA0

analogous

#90A01F #4FA01F #1FA02F

triadic

#4FA01F #1F4FA0 #A01F4F

tetradic

#4FA01F #1F90A0 #701FA0 #A02F1F

square

#4FA01F #1F90A0 #701FA0 #A02F1F

split-complementary

#4FA01F #2F1FA0 #A01F90

monochromatic

#1C390B #366D15 #4FA01F #68D329 #8CDF5A

Accessibility & contrast

On white

3.29

#4FA01F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#4FA01F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4FA01F

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FA01F	#FFFFFF	#000000	##000000
##4FA01F	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A69200

Deuteranopia (green-blind)

#9B8B2E

Tritanopia (blue-blind)

#4A9A88

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4fa01f;
/* rgb */ color: rgb(79, 160, 31);
/* oklch */ color: oklch(63.0% 0.177 136.9);

Tailwind

colors: {
  custom: {
    50: '#89bd66',
    500: '#4fa01f',
    950: '#000000',
  },
}

SCSS

$custom: #4fa01f;
$custom-light: #89bd66;
$custom-dark: #000000;

JSON

{
  "hex": "#4fa01f",
  "rgb": {
    "r": 79,
    "g": 160,
    "b": 31
  },
  "hsl": {
    "h": 97.674,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.63014,
    "c": 0.17683,
    "h": 136.9
  },
  "luminance": 0.26903
}

Semantic roles & 50–950 ramp

primary

#4FA01F

secondary

#9B58C3

accent

#3DEAAA

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #4FA01F

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

Preview Lab → · Contrast checker → · Palette generator →