#A4B728#A4B728

#A4B728 is a light, vivid yellow. Relative luminance 0.419; OKLCH L 74.0% C 0.159 H 117.3°. Best body text is #000000 at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#A4B728
RGB	rgb(164, 183, 40)
HSL	hsl(68, 64%, 44%)
HSV	hsv(68, 78%, 72%)
CMYK	cmyk(10.4%, 0%, 78.1%, 28.2%)
CIE-LAB	lab(70.81, -24.09, 64.61)
CIE-LCH	lch(70.81, 68.95, 110.45°)
OKLab	oklab(74.01% -0.0729 0.1413)
OKLCH	oklch(74.01% 0.159 117.3)
XYZ	xyz(32.6272, 41.9131, 8.3783)
Luminance	0.4191 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4B728 #3B28B7

analogous

#B78228 #A4B728 #5CB728

triadic

#A4B728 #28A4B7 #B728A4

tetradic

#A4B728 #28B782 #3B28B7 #B7285C

square

#A4B728 #28B782 #3B28B7 #B7285C

split-complementary

#A4B728 #285CB7 #8228B7

monochromatic

#4A5312 #77851D #A4B728 #C3D646 #D3E178

Accessibility & contrast

On white

2.24

#A4B728 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.38

#A4B728 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4B728

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4B728	#FFFFFF	#000000	##000000
##A4B728	1.00	2.24	9.38	9.38
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.38	21.00	1.00	1.00
##000000	9.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AD00

Deuteranopia (green-blind)

#C2AE36

Tritanopia (blue-blind)

#AEAC9D

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #a4b728;
/* rgb */ color: rgb(164, 183, 40);
/* oklch */ color: oklch(74.0% 0.159 117.3);

Tailwind

colors: {
  custom: {
    50: '#c3cc6f',
    500: '#a4b728',
    950: '#000000',
  },
}

SCSS

$custom: #a4b728;
$custom-light: #c3cc6f;
$custom-dark: #000000;

JSON

{
  "hex": "#a4b728",
  "rgb": {
    "r": 164,
    "g": 183,
    "b": 40
  },
  "hsl": {
    "h": 67.972,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.74014,
    "c": 0.15902,
    "h": 117.3
  },
  "luminance": 0.41913
}

Semantic roles & 50–950 ramp

primary

#A4B728

secondary

#7D72C9

accent

#41E757

background

#FCFCF7

surface

#F8F8ED

border

#D1D1C8

text

#131308

muted

#82827B

Preview Lab

Preview with #A4B728

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

Preview Lab → · Contrast checker → · Palette generator →