#A9B128#A9B128

#A9B128 is a light, vivid yellow. Relative luminance 0.400; OKLCH L 73.1% C 0.151 H 113.0°. Best body text is #000000 at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#A9B128
RGB	rgb(169, 177, 40)
HSL	hsl(64, 63%, 43%)
HSV	hsv(64, 77%, 69%)
CMYK	cmyk(4.5%, 0%, 77.4%, 30.6%)
CIE-LAB	lab(69.49, -18.98, 63.55)
CIE-LCH	lch(69.49, 66.33, 106.63°)
OKLab	oklab(73.05% -0.059 0.1389)
OKLCH	oklch(73.05% 0.151 113)
XYZ	xyz(32.4684, 40.0332, 8.0239)
Luminance	0.4003 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9B128 #3028B1

analogous

#B17528 #A9B128 #64B128

triadic

#A9B128 #28A9B1 #B128A9

tetradic

#A9B128 #28B175 #3028B1 #B12864

square

#A9B128 #28B175 #3028B1 #B12864

split-complementary

#A9B128 #2864B1 #7528B1

monochromatic

#4A4D11 #797F1D #A9B128 #CCD442 #D9E074

Accessibility & contrast

On white

2.33

#A9B128 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.01

#A9B128 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9B128

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9B128	#FFFFFF	#000000	##000000
##A9B128	1.00	2.33	9.01	9.01
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.01	21.00	1.00	1.00
##000000	9.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA800

Deuteranopia (green-blind)

#BFAB34

Tritanopia (blue-blind)

#B5A698

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #a9b128;
/* rgb */ color: rgb(169, 177, 40);
/* oklch */ color: oklch(73.1% 0.151 113.0);

Tailwind

colors: {
  custom: {
    50: '#c6c86e',
    500: '#a9b128',
    950: '#000000',
  },
}

SCSS

$custom: #a9b128;
$custom-light: #c6c86e;
$custom-dark: #000000;

JSON

{
  "hex": "#a9b128",
  "rgb": {
    "r": 169,
    "g": 177,
    "b": 40
  },
  "hsl": {
    "h": 63.504,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.73051,
    "c": 0.15093,
    "h": 113
  },
  "luminance": 0.40032
}

Semantic roles & 50–950 ramp

primary

#A9B128

secondary

#736EC7

accent

#42E64B

background

#FCFCF7

surface

#F9F8ED

border

#D2D1C8

text

#131308

muted

#82827B

Preview Lab

Preview with #A9B128

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

Preview Lab → · Contrast checker → · Palette generator →