#4B8A21#4B8A21

#4B8A21 is a mid, vivid yellow-green. Relative luminance 0.198; OKLCH L 57.0% C 0.150 H 135.7°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#4B8A21
RGB	rgb(75, 138, 33)
HSL	hsl(96, 61%, 34%)
HSV	hsv(96, 76%, 54%)
CMYK	cmyk(45.7%, 0%, 76.1%, 45.9%)
CIE-LAB	lab(51.59, -38.67, 46.82)
CIE-LCH	lch(51.59, 60.73, 129.55°)
OKLab	oklab(56.98% -0.1078 0.105)
OKLCH	oklch(56.98% 0.151 135.7)
XYZ	xyz(12.2643, 19.7819, 4.6106)
Luminance	0.1978 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B8A21 #60218A

analogous

#7F8A21 #4B8A21 #218A2B

triadic

#4B8A21 #214B8A #8A214B

tetradic

#4B8A21 #217F8A #60218A #8A2B21

square

#4B8A21 #217F8A #60218A #8A2B21

split-complementary

#4B8A21 #2B218A #8A217F

monochromatic

#152709 #305915 #4B8A21 #66BB2D #85D550

Accessibility & contrast

On white

4.24

#4B8A21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#4B8A21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B8A21

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B8A21	#FFFFFF	#000000	##000000
##4B8A21	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E0B

Deuteranopia (green-blind)

#87792C

Tritanopia (blue-blind)

#498576

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4b8a21;
/* rgb */ color: rgb(75, 138, 33);
/* oklch */ color: oklch(57.0% 0.150 135.7);

Tailwind

colors: {
  custom: {
    50: '#83ad64',
    500: '#4b8a21',
    950: '#000000',
  },
}

SCSS

$custom: #4b8a21;
$custom-light: #83ad64;
$custom-dark: #000000;

JSON

{
  "hex": "#4b8a21",
  "rgb": {
    "r": 75,
    "g": 138,
    "b": 33
  },
  "hsl": {
    "h": 96,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.56976,
    "c": 0.1505,
    "h": 135.7
  },
  "luminance": 0.19783
}

Semantic roles & 50–950 ramp

primary

#4B8A21

secondary

#8E4EB9

accent

#43E5A4

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1006

muted

#7C7F7A

Preview Lab

Preview with #4B8A21

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

Preview Lab → · Contrast checker → · Palette generator →