#ACAAAC

A color in the Black, Gray, White family

#acaaac is a color in the Black, Gray, White family: RGB(172, 170, 172), HSL(300°, 1%, 67%), CMYK(0%, 1%, 0%, 33%). Closest named color: darkgray. Contrast is 2.31:1 on white and 9.1:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#acaaac
RGBrgb(172 170 172)
RGB (legacy)rgb(172, 170, 172)
RGB %rgb(67% 67% 67%)
HSLhsl(300 1% 67%)
HSV / HSBhsv(300, 1%, 67%)
HWBhwb(300 67% 33%)
CMYKcmyk(0%, 1%, 0%, 33%)
CIELAB (D50)lab(69.82 1.02 -0.77)
LCHlch(69.82 1.28 323.01)
OKLaboklab(0.7403 0.003 -0.002)
OKLCHoklch(0.7403 0.0036 325.61)
Decimal11315884

Properties

Color ToneBlack, Gray, White
Closest named colordarkgray ΔE 0.7
Closest web-safe color#999999
Hue300°
Saturation (HSL / HSV)1% / 1%
Lightness (HSL)67%
Brightness or Value (HSV)67%
Luminance (Rec.601 / Rec.709)67% / 67%
Relative luminance (WCAG)0.405
Red / Green / Blue172 / 170 / 172

WCAG 2.2 Contrast Ratio

On White (#ffffff)
2.31:1
AA Normal (4.5:1) · FailAA Large (3:1) · FailAAA Normal (7:1) · Fail
On Black (#000000)
9.10:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Pass
Aa Bb 123

APCA Contrast Lc (reference) — As text on white / black: Lc 45.5 / -56.6 · As background with white / black text: Lc -50.4 / 58.4

Lightness Scale (OKLCH 50–950)

Eleven steps that change only perceived lightness while keeping hue and chroma — ready to use as design-system color tokens.

Tints (mixed with white)

Shades (mixed with black)

Color Harmonies

Color Vision Deficiency Simulation

Estimated appearance of this color for people with color vision deficiencies (Machado 2009).

Similar Named Colors

Use in CSS

:root {
  --color-brand: #acaaac;
  --color-brand-oklch: oklch(74.03% 0.0036 325.61);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(172 170 172 / 50%); }
/* Tailwind CSS */
<div class="bg-[#acaaac] text-[#acaaac] border-[#acaaac]">