#A9B428#A9B428

#A9B428 is a light, vivid yellow. Relative luminance 0.412; OKLCH L 73.7% C 0.154 H 114.2°. Best body text is #000000 at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#A9B428
RGB	rgb(169, 180, 40)
HSL	hsl(65, 64%, 43%)
HSV	hsv(65, 78%, 71%)
CMYK	cmyk(6.1%, 0%, 77.8%, 29.4%)
CIE-LAB	lab(70.34, -20.48, 64.32)
CIE-LCH	lch(70.34, 67.50, 107.67°)
OKLab	oklab(73.73% -0.0632 0.1405)
OKLCH	oklch(73.73% 0.154 114.2)
XYZ	xyz(33.0675, 41.2314, 8.2236)
Luminance	0.4123 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9B428 #3328B4

analogous

#B47928 #A9B428 #63B428

triadic

#A9B428 #28A9B4 #B428A9

tetradic

#A9B428 #28B479 #3328B4 #B42863

square

#A9B428 #28B479 #3328B4 #B42863

split-complementary

#A9B428 #2863B4 #7928B4

monochromatic

#4B5012 #7A821D #A9B428 #CAD544 #D8E176

Accessibility & contrast

On white

2.27

#A9B428 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.25

#A9B428 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9B428

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9B428	#FFFFFF	#000000	##000000
##A9B428	1.00	2.27	9.25	9.25
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.25	21.00	1.00	1.00
##000000	9.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AB00

Deuteranopia (green-blind)

#C1AD35

Tritanopia (blue-blind)

#B5A99A

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #a9b428;
/* rgb */ color: rgb(169, 180, 40);
/* oklch */ color: oklch(73.7% 0.154 114.2);

Tailwind

colors: {
  custom: {
    50: '#c6ca6e',
    500: '#a9b428',
    950: '#000000',
  },
}

SCSS

$custom: #a9b428;
$custom-light: #c6ca6e;
$custom-dark: #000000;

JSON

{
  "hex": "#a9b428",
  "rgb": {
    "r": 169,
    "g": 180,
    "b": 40
  },
  "hsl": {
    "h": 64.714,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.73728,
    "c": 0.15409,
    "h": 114.2
  },
  "luminance": 0.41231
}

Semantic roles & 50–950 ramp

primary

#A9B428

secondary

#7770C8

accent

#41E74E

background

#FCFCF7

surface

#F9F8ED

border

#D2D1C8

text

#131308

muted

#82827B

Preview Lab

Preview with #A9B428

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

Preview Lab → · Contrast checker → · Palette generator →