#4B991B#4B991B

#4B991B is a mid, vivid yellow-green. Relative luminance 0.244; OKLCH L 61.0% C 0.172 H 136.8°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#4B991B
RGB	rgb(75, 153, 27)
HSL	hsl(97, 70%, 35%)
HSV	hsv(97, 82%, 60%)
CMYK	cmyk(51%, 0%, 82.4%, 40%)
CIE-LAB	lab(56.44, -45.15, 53.40)
CIE-LCH	lch(56.44, 69.93, 130.21°)
OKLab	oklab(60.96% -0.1256 0.1179)
OKLCH	oklch(60.96% 0.172 136.8)
XYZ	xyz(14.4903, 24.3564, 4.9744)
Luminance	0.2436 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B991B #691B99

analogous

#8A991B #4B991B #1B992A

triadic

#4B991B #1B4B99 #991B4B

tetradic

#4B991B #1B8A99 #691B99 #992A1B

square

#4B991B #1B8A99 #691B99 #992A1B

split-complementary

#4B991B #2A1B99 #991B8A

monochromatic

#183109 #316512 #4B991B #64CD24 #86E04F

Accessibility & contrast

On white

3.58

#4B991B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#4B991B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B991B

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B991B	#FFFFFF	#000000	##000000
##4B991B	1.00	3.58	5.87	5.87
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E8B00

Deuteranopia (green-blind)

#94852A

Tritanopia (blue-blind)

#469382

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4b991b;
/* rgb */ color: rgb(75, 153, 27);
/* oklch */ color: oklch(61.0% 0.172 136.8);

Tailwind

colors: {
  custom: {
    50: '#86b864',
    500: '#4b991b',
    950: '#000000',
  },
}

SCSS

$custom: #4b991b;
$custom-light: #86b864;
$custom-dark: #000000;

JSON

{
  "hex": "#4b991b",
  "rgb": {
    "r": 75,
    "g": 153,
    "b": 27
  },
  "hsl": {
    "h": 97.143,
    "s": 70,
    "l": 35.294
  },
  "oklch": {
    "l": 0.60955,
    "c": 0.17225,
    "h": 136.8
  },
  "luminance": 0.24357
}

Semantic roles & 50–950 ramp

primary

#4B991B

secondary

#964EC2

accent

#3BEDA9

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #4B991B

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

Preview Lab → · Contrast checker → · Palette generator →