#A9B728#A9B728

#A9B728 is a light, vivid yellow. Relative luminance 0.425; OKLCH L 74.4% C 0.157 H 115.3°. Best body text is #000000 at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#A9B728
RGB	rgb(169, 183, 40)
HSL	hsl(66, 64%, 44%)
HSV	hsv(66, 78%, 72%)
CMYK	cmyk(7.7%, 0%, 78.1%, 28.2%)
CIE-LAB	lab(71.18, -21.98, 65.08)
CIE-LCH	lch(71.18, 68.69, 108.66°)
OKLab	oklab(74.41% -0.0673 0.1422)
OKLCH	oklch(74.41% 0.157 115.3)
XYZ	xyz(33.6796, 42.4558, 8.4277)
Luminance	0.4245 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9B728 #3628B7

analogous

#B77D28 #A9B728 #61B728

triadic

#A9B728 #28A9B7 #B728A9

tetradic

#A9B728 #28B77D #3628B7 #B72861

square

#A9B728 #28B77D #3628B7 #B72861

split-complementary

#A9B728 #2861B7 #7D28B7

monochromatic

#4C5312 #7B851D #A9B728 #C8D646 #D7E178

Accessibility & contrast

On white

2.21

#A9B728 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.49

#A9B728 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9B728

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9B728	#FFFFFF	#000000	##000000
##A9B728	1.00	2.21	9.49	9.49
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.49	21.00	1.00	1.00
##000000	9.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AD00

Deuteranopia (green-blind)

#C3AF35

Tritanopia (blue-blind)

#B4AC9D

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #a9b728;
/* rgb */ color: rgb(169, 183, 40);
/* oklch */ color: oklch(74.4% 0.157 115.3);

Tailwind

colors: {
  custom: {
    50: '#c6cc6f',
    500: '#a9b728',
    950: '#000000',
  },
}

SCSS

$custom: #a9b728;
$custom-light: #c6cc6f;
$custom-dark: #000000;

JSON

{
  "hex": "#a9b728",
  "rgb": {
    "r": 169,
    "g": 183,
    "b": 40
  },
  "hsl": {
    "h": 65.874,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.74407,
    "c": 0.1573,
    "h": 115.3
  },
  "luminance": 0.42455
}

Semantic roles & 50–950 ramp

primary

#A9B728

secondary

#7A72C9

accent

#41E751

background

#FCFCF7

surface

#F9F8ED

border

#D2D1C8

text

#131308

muted

#82827B

Preview Lab

Preview with #A9B728

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

Preview Lab → · Contrast checker → · Palette generator →