#A9B228#A9B228

#A9B228 is a light, vivid yellow. Relative luminance 0.404; OKLCH L 73.3% C 0.152 H 113.4°. Best body text is #000000 at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#A9B228
RGB	rgb(169, 178, 40)
HSL	hsl(64, 63%, 43%)
HSV	hsv(64, 78%, 70%)
CMYK	cmyk(5.1%, 0%, 77.5%, 30.2%)
CIE-LAB	lab(69.77, -19.48, 63.81)
CIE-LCH	lch(69.77, 66.72, 106.98°)
OKLab	oklab(73.28% -0.0604 0.1394)
OKLCH	oklch(73.28% 0.152 113.4)
XYZ	xyz(32.6666, 40.4297, 8.0900)
Luminance	0.4043 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9B228 #3128B2

analogous

#B27628 #A9B228 #64B228

triadic

#A9B228 #28A9B2 #B228A9

tetradic

#A9B228 #28B276 #3128B2 #B22864

square

#A9B228 #28B276 #3128B2 #B22864

split-complementary

#A9B228 #2864B2 #7628B2

monochromatic

#4A4E12 #7A801D #A9B228 #CBD543 #D9E075

Accessibility & contrast

On white

2.31

#A9B228 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.09

#A9B228 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9B228

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9B228	#FFFFFF	#000000	##000000
##A9B228	1.00	2.31	9.09	9.09
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.09	21.00	1.00	1.00
##000000	9.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0A900

Deuteranopia (green-blind)

#C0AC35

Tritanopia (blue-blind)

#B5A798

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #a9b228;
/* rgb */ color: rgb(169, 178, 40);
/* oklch */ color: oklch(73.3% 0.152 113.4);

Tailwind

colors: {
  custom: {
    50: '#c6c86e',
    500: '#a9b228',
    950: '#000000',
  },
}

SCSS

$custom: #a9b228;
$custom-light: #c6c86e;
$custom-dark: #000000;

JSON

{
  "hex": "#a9b228",
  "rgb": {
    "r": 169,
    "g": 178,
    "b": 40
  },
  "hsl": {
    "h": 63.913,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.73276,
    "c": 0.15198,
    "h": 113.4
  },
  "luminance": 0.40429
}

Semantic roles & 50–950 ramp

primary

#A9B228

secondary

#746FC7

accent

#41E64C

background

#FCFCF7

surface

#F9F8ED

border

#D2D1C8

text

#131308

muted

#82827B

Preview Lab

Preview with #A9B228

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

Preview Lab → · Contrast checker → · Palette generator →