#99ACA3
Closest named color: Pewter (#96A8A1). oklch(72.7% 0.025 165.6), rgb(153, 172, 163).
Aa
Black text reads best on this color (8.78:1).
About this color
#99ACA3 is a medium-light close to neutral grey. In OKLCH its lightness is 73%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Pewter (#96A8A1), ΔE 0.012 away. Black text reads best on it, at 8.78:1.
| Hue family | Neutrals |
| Lightness | medium-light (73%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Pewter (#96A8A1) |
| Black text | 8.78:1 |
| White text | 2.39:1 |
Values
| HEX | #99ACA3 |
| RGB | rgb(153, 172, 163) |
| HSL | hsl(152, 10%, 64%) |
| OKLCH | oklch(72.7% 0.025 165.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #99ACA3 | 2.39:1 | Fails | Lc -52.1 | Large or bold text, headings |
| Black text on #99ACA3 | 8.78:1 | AAA | Lc 56.9 | Large or bold text, headings |
| #99ACA3 text on white | 2.39:1 | Fails | Lc 47.1 | Large or bold text, headings |
| #99ACA3 text on black | 8.78:1 | AAA | Lc -54.9 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D4DBD8
oklch(88.5% 0.009 168.7)
-
Step 300
300
#B8C4BE
oklch(80.9% 0.016 164.6)
-
Step 400
400 (this color)
#99ACA3
oklch(72.7% 0.025 165.6)
-
Step 500
500
#789085
oklch(63.1% 0.032 165.9)
-
Step 600
600
#617A6E
oklch(55.6% 0.035 164.4)
-
Step 700
700
#50675C
oklch(49.2% 0.033 164.4)
-
Step 800
800
#42544B
oklch(42.8% 0.027 163.4)
-
Step 900
900
#38453F
oklch(37.7% 0.02 165.7)
-
Step 950
950
#212925
oklch(27.2% 0.013 163.8)
#99ACA3 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #ABA9A3 | 0.025 |
| Deuteranopia (no green cones) | #A7A7A4 | 0.023 |
| Tritanopia (no blue cones) | #96ACA9 | 0.009 |
| Achromatopsia (no color) | #A8A8A8 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99ACA3
#99ACA3
oklch(72.7% 0.025 165.6)
- #B3A1AA
#B3A1AA
oklch(72.7% 0.024 346)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #99ACA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pewter #96A8A1 ΔE 0.012
- Dark Gray #A9A9A9 ΔE 0.026
- Cool Grey #95A3A6 ΔE 0.028
- Cement #A5A391 ΔE 0.030
- Cool Steel #97A7B3 ΔE 0.031
- Muted Teal #90B494 ΔE 0.038
- Bland #AFA88B ΔE 0.040
- Stone #ADA587 ΔE 0.042
Use #99ACA3 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.