#4F971B#4F971B

#4F971B is a mid, vivid yellow-green. Relative luminance 0.239; OKLCH L 60.6% C 0.168 H 135.8°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#4F971B
RGB	rgb(79, 151, 27)
HSL	hsl(95, 70%, 35%)
HSV	hsv(95, 82%, 59%)
CMYK	cmyk(47.7%, 0%, 82.1%, 40.8%)
CIE-LAB	lab(55.96, -43.08, 53.02)
CIE-LCH	lch(55.96, 68.32, 129.10°)
OKLab	oklab(60.6% -0.1203 0.117)
OKLCH	oklch(60.6% 0.168 135.8)
XYZ	xyz(14.4885, 23.8737, 4.8813)
Luminance	0.2387 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F971B #631B97

analogous

#8D971B #4F971B #1B9725

triadic

#4F971B #1B4F97 #971B4F

tetradic

#4F971B #1B8D97 #631B97 #97251B

square

#4F971B #1B8D97 #631B97 #97251B

split-complementary

#4F971B #251B97 #971B8D

monochromatic

#192F08 #346312 #4F971B #6ACB24 #8ADF4D

Accessibility & contrast

On white

3.64

#4F971B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#4F971B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F971B

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F971B	#FFFFFF	#000000	##000000
##4F971B	1.00	3.64	5.78	5.78
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D8A00

Deuteranopia (green-blind)

#93842A

Tritanopia (blue-blind)

#4C9180

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #4f971b;
/* rgb */ color: rgb(79, 151, 27);
/* oklch */ color: oklch(60.6% 0.168 135.8);

Tailwind

colors: {
  custom: {
    50: '#88b663',
    500: '#4f971b',
    950: '#000000',
  },
}

SCSS

$custom: #4f971b;
$custom-light: #88b663;
$custom-dark: #000000;

JSON

{
  "hex": "#4f971b",
  "rgb": {
    "r": 79,
    "g": 151,
    "b": 27
  },
  "hsl": {
    "h": 94.839,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.60604,
    "c": 0.16783,
    "h": 135.8
  },
  "luminance": 0.23875
}

Semantic roles & 50–950 ramp

primary

#4F971B

secondary

#904CC1

accent

#3BECA2

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #4F971B

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

Preview Lab → · Contrast checker → · Palette generator →