#4B9B1B#4B9B1B

#4B9B1B is a mid, vivid yellow-green. Relative luminance 0.250; OKLCH L 61.5% C 0.175 H 137.0°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#4B9B1B
RGB	rgb(75, 155, 27)
HSL	hsl(98, 70%, 36%)
HSV	hsv(98, 83%, 61%)
CMYK	cmyk(51.6%, 0%, 82.6%, 39.2%)
CIE-LAB	lab(57.09, -45.93, 54.00)
CIE-LCH	lch(57.09, 70.89, 130.38°)
OKLab	oklab(61.49% -0.1277 0.1191)
OKLCH	oklch(61.49% 0.175 137)
XYZ	xyz(14.8204, 25.0166, 5.0844)
Luminance	0.2502 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B9B1B #6B1B9B

analogous

#8B9B1B #4B9B1B #1B9B2B

triadic

#4B9B1B #1B4B9B #9B1B4B

tetradic

#4B9B1B #1B8B9B #6B1B9B #9B2B1B

square

#4B9B1B #1B8B9B #6B1B9B #9B2B1B

split-complementary

#4B9B1B #2B1B9B #9B1B8B

monochromatic

#193309 #326712 #4B9B1B #64CF24 #86E050

Accessibility & contrast

On white

3.50

#4B9B1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#4B9B1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B9B1B

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B9B1B	#FFFFFF	#000000	##000000
##4B9B1B	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A08D00

Deuteranopia (green-blind)

#96872B

Tritanopia (blue-blind)

#469584

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4b9b1b;
/* rgb */ color: rgb(75, 155, 27);
/* oklch */ color: oklch(61.5% 0.175 137.0);

Tailwind

colors: {
  custom: {
    50: '#86b964',
    500: '#4b9b1b',
    950: '#000000',
  },
}

SCSS

$custom: #4b9b1b;
$custom-light: #86b964;
$custom-dark: #000000;

JSON

{
  "hex": "#4b9b1b",
  "rgb": {
    "r": 75,
    "g": 155,
    "b": 27
  },
  "hsl": {
    "h": 97.5,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.61489,
    "c": 0.17463,
    "h": 137
  },
  "luminance": 0.25018
}

Semantic roles & 50–950 ramp

primary

#4B9B1B

secondary

#974FC3

accent

#3BEDAA

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #4B9B1B

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

Preview Lab → · Contrast checker → · Palette generator →