#A4AC21#A4AC21

#A4AC21 is a light, vivid yellow. Relative luminance 0.375; OKLCH L 71.5% C 0.150 H 113.1°. Best body text is #000000 at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#A4AC21
RGB	rgb(164, 172, 33)
HSL	hsl(63, 68%, 40%)
HSV	hsv(63, 81%, 67%)
CMYK	cmyk(4.7%, 0%, 80.8%, 32.5%)
CIE-LAB	lab(67.66, -18.88, 63.81)
CIE-LCH	lch(67.66, 66.55, 106.48°)
OKLab	oklab(71.47% -0.0591 0.1384)
OKLCH	oklch(71.47% 0.15 113.1)
XYZ	xyz(30.3379, 37.5081, 7.0802)
Luminance	0.3751 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4AC21 #2921AC

analogous

#AC6E21 #A4AC21 #5FAC21

triadic

#A4AC21 #21A4AC #AC21A4

tetradic

#A4AC21 #21AC6E #2921AC #AC215F

square

#A4AC21 #21AC6E #2921AC #AC215F

split-complementary

#A4AC21 #215FAC #6E21AC

monochromatic

#42450D #737917 #A4AC21 #CED832 #DAE266

Accessibility & contrast

On white

2.47

#A4AC21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.50

#A4AC21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4AC21

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4AC21	#FFFFFF	#000000	##000000
##A4AC21	1.00	2.47	8.50	8.50
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.50	21.00	1.00	1.00
##000000	8.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A300

Deuteranopia (green-blind)

#B9A62F

Tritanopia (blue-blind)

#B0A193

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #a4ac21;
/* rgb */ color: rgb(164, 172, 33);
/* oklch */ color: oklch(71.5% 0.150 113.1);

Tailwind

colors: {
  custom: {
    50: '#c3c46a',
    500: '#a4ac21',
    950: '#000000',
  },
}

SCSS

$custom: #a4ac21;
$custom-light: #c3c46a;
$custom-dark: #000000;

JSON

{
  "hex": "#a4ac21",
  "rgb": {
    "r": 164,
    "g": 172,
    "b": 33
  },
  "hsl": {
    "h": 63.453,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.71472,
    "c": 0.15047,
    "h": 113.1
  },
  "luminance": 0.37507
}

Semantic roles & 50–950 ramp

primary

#A4AC21

secondary

#6862C7

accent

#3DEB47

background

#FCFCF6

surface

#F8F8EC

border

#D1D1C7

text

#131207

muted

#82817A

Preview Lab

Preview with #A4AC21

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

Preview Lab → · Contrast checker → · Palette generator →