#4B9B1F#4B9B1F

#4B9B1F is a mid, vivid yellow-green. Relative luminance 0.250; OKLCH L 61.5% C 0.173 H 137.3°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#4B9B1F
RGB	rgb(75, 155, 31)
HSL	hsl(99, 67%, 36%)
HSV	hsv(99, 80%, 61%)
CMYK	cmyk(51.6%, 0%, 80%, 39.2%)
CIE-LAB	lab(57.11, -45.72, 52.82)
CIE-LCH	lch(57.11, 69.86, 130.87°)
OKLab	oklab(61.51% -0.1269 0.1173)
OKLCH	oklch(61.51% 0.173 137.3)
XYZ	xyz(14.8698, 25.0364, 5.3450)
Luminance	0.2504 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B9B1F #6F1F9B

analogous

#899B1F #4B9B1F #1F9B31

triadic

#4B9B1F #1F4B9B #9B1F4B

tetradic

#4B9B1F #1F899B #6F1F9B #9B311F

square

#4B9B1F #1F899B #6F1F9B #9B311F

split-complementary

#4B9B1F #311F9B #9B1F89

monochromatic

#1A350B #326815 #4B9B1F #64CE29 #87DD57

Accessibility & contrast

On white

3.50

#4B9B1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#4B9B1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B9B1F

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B9B1F	#FFFFFF	#000000	##000000
##4B9B1F	1.00	3.50	6.01	6.01
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A08D00

Deuteranopia (green-blind)

#96872D

Tritanopia (blue-blind)

#469584

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4b9b1f;
/* rgb */ color: rgb(75, 155, 31);
/* oklch */ color: oklch(61.5% 0.173 137.3);

Tailwind

colors: {
  custom: {
    50: '#86b966',
    500: '#4b9b1f',
    950: '#000000',
  },
}

SCSS

$custom: #4b9b1f;
$custom-light: #86b966;
$custom-dark: #000000;

JSON

{
  "hex": "#4b9b1f",
  "rgb": {
    "r": 75,
    "g": 155,
    "b": 31
  },
  "hsl": {
    "h": 98.71,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.61511,
    "c": 0.17277,
    "h": 137.3
  },
  "luminance": 0.25037
}

Semantic roles & 50–950 ramp

primary

#4B9B1F

secondary

#9B55C1

accent

#3EEAAD

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #4B9B1F

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

Preview Lab → · Contrast checker → · Palette generator →