#4FA01B#4FA01B

#4FA01B is a light, vivid yellow-green. Relative luminance 0.269; OKLCH L 63.0% C 0.179 H 136.7°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#4FA01B
RGB	rgb(79, 160, 27)
HSL	hsl(97, 71%, 37%)
HSV	hsv(97, 83%, 63%)
CMYK	cmyk(50.6%, 0%, 83.1%, 37.3%)
CIE-LAB	lab(58.86, -46.66, 55.67)
CIE-LCH	lch(58.86, 72.64, 129.96°)
OKLab	oklab(62.99% -0.1299 0.1226)
OKLCH	oklch(62.99% 0.179 136.7)
XYZ	xyz(15.9926, 26.8819, 5.3827)
Luminance	0.2688 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FA01B #6C1BA0

analogous

#92A01B #4FA01B #1BA029

triadic

#4FA01B #1B4FA0 #A01B4F

tetradic

#4FA01B #1B92A0 #6C1BA0 #A0291B

square

#4FA01B #1B92A0 #6C1BA0 #A0291B

split-complementary

#4FA01B #291BA0 #A01B92

monochromatic

#1B3709 #356C12 #4FA01B #69D424 #8BE253

Accessibility & contrast

On white

3.29

#4FA01B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#4FA01B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4FA01B

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FA01B	#FFFFFF	#000000	##000000
##4FA01B	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)

#9B8B2C

Tritanopia (blue-blind)

#4A9A88

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4fa01b;
/* rgb */ color: rgb(79, 160, 27);
/* oklch */ color: oklch(63.0% 0.179 136.7);

Tailwind

colors: {
  custom: {
    50: '#89bd65',
    500: '#4fa01b',
    950: '#000000',
  },
}

SCSS

$custom: #4fa01b;
$custom-light: #89bd65;
$custom-dark: #000000;

JSON

{
  "hex": "#4fa01b",
  "rgb": {
    "r": 79,
    "g": 160,
    "b": 27
  },
  "hsl": {
    "h": 96.541,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.62993,
    "c": 0.17861,
    "h": 136.7
  },
  "luminance": 0.26883
}

Semantic roles & 50–950 ramp

primary

#4FA01B

secondary

#9852C5

accent

#3AEEA8

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #4FA01B

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

Preview Lab → · Contrast checker → · Palette generator →