#ACB428#ACB428

#ACB428 is a light, vivid yellow. Relative luminance 0.416; OKLCH L 74.0% C 0.153 H 113.0°. Best body text is #000000 at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#ACB428
RGB	rgb(172, 180, 40)
HSL	hsl(63, 64%, 43%)
HSV	hsv(63, 78%, 71%)
CMYK	cmyk(4.4%, 0%, 77.8%, 29.4%)
CIE-LAB	lab(70.57, -19.20, 64.62)
CIE-LCH	lch(70.57, 67.41, 106.55°)
OKLab	oklab(73.97% -0.0598 0.1411)
OKLCH	oklch(73.97% 0.153 113)
XYZ	xyz(33.7186, 41.5671, 8.2541)
Luminance	0.4157 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACB428 #3028B4

analogous

#B47628 #ACB428 #66B428

triadic

#ACB428 #28ACB4 #B428AC

tetradic

#ACB428 #28B476 #3028B4 #B42866

square

#ACB428 #28B476 #3028B4 #B42866

split-complementary

#ACB428 #2866B4 #7628B4

monochromatic

#4C5012 #7C821D #ACB428 #CDD544 #DAE176

Accessibility & contrast

On white

2.25

#ACB428 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.31

#ACB428 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACB428

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACB428	#FFFFFF	#000000	##000000
##ACB428	1.00	2.25	9.31	9.31
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.31	21.00	1.00	1.00
##000000	9.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AB00

Deuteranopia (green-blind)

#C2AE35

Tritanopia (blue-blind)

#B8A99A

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #acb428;
/* rgb */ color: rgb(172, 180, 40);
/* oklch */ color: oklch(74.0% 0.153 113.0);

Tailwind

colors: {
  custom: {
    50: '#c8ca6e',
    500: '#acb428',
    950: '#000000',
  },
}

SCSS

$custom: #acb428;
$custom-light: #c8ca6e;
$custom-dark: #000000;

JSON

{
  "hex": "#acb428",
  "rgb": {
    "r": 172,
    "g": 180,
    "b": 40
  },
  "hsl": {
    "h": 63.429,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.73973,
    "c": 0.15321,
    "h": 113
  },
  "luminance": 0.41566
}

Semantic roles & 50–950 ramp

primary

#ACB428

secondary

#7570C8

accent

#41E74B

background

#FCFCF7

surface

#F9F8ED

border

#D2D1C8

text

#141308

muted

#82827B

Preview Lab

Preview with #ACB428

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

Preview Lab → · Contrast checker → · Palette generator →