#4F9B1F#4F9B1F

#4F9B1F is a mid, vivid yellow-green. Relative luminance 0.252; OKLCH L 61.7% C 0.171 H 136.5°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#4F9B1F
RGB	rgb(79, 155, 31)
HSL	hsl(97, 67%, 36%)
HSV	hsv(97, 80%, 61%)
CMYK	cmyk(49%, 0%, 80%, 39.2%)
CIE-LAB	lab(57.27, -44.48, 53.03)
CIE-LCH	lch(57.27, 69.21, 129.99°)
OKLab	oklab(61.69% -0.1238 0.1176)
OKLCH	oklch(61.69% 0.171 136.5)
XYZ	xyz(15.1927, 25.2029, 5.3601)
Luminance	0.2520 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F9B1F #6B1F9B

analogous

#8D9B1F #4F9B1F #1F9B2D

triadic

#4F9B1F #1F4F9B #9B1F4F

tetradic

#4F9B1F #1F8D9B #6B1F9B #9B2D1F

square

#4F9B1F #1F8D9B #6B1F9B #9B2D1F

split-complementary

#4F9B1F #2D1F9B #9B1F8D

monochromatic

#1B350B #356815 #4F9B1F #69CE29 #8BDD57

Accessibility & contrast

On white

3.48

#4F9B1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#4F9B1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F9B1F

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F9B1F	#FFFFFF	#000000	##000000
##4F9B1F	1.00	3.48	6.04	6.04
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A18D00

Deuteranopia (green-blind)

#97872D

Tritanopia (blue-blind)

#4B9584

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4f9b1f;
/* rgb */ color: rgb(79, 155, 31);
/* oklch */ color: oklch(61.7% 0.171 136.5);

Tailwind

colors: {
  custom: {
    50: '#88b966',
    500: '#4f9b1f',
    950: '#000000',
  },
}

SCSS

$custom: #4f9b1f;
$custom-light: #88b966;
$custom-dark: #000000;

JSON

{
  "hex": "#4f9b1f",
  "rgb": {
    "r": 79,
    "g": 155,
    "b": 31
  },
  "hsl": {
    "h": 96.774,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.61688,
    "c": 0.17079,
    "h": 136.5
  },
  "luminance": 0.25204
}

Semantic roles & 50–950 ramp

primary

#4F9B1F

secondary

#9755C1

accent

#3EEAA7

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #4F9B1F

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

Preview Lab → · Contrast checker → · Palette generator →