#99AEAC
Closest named color: Pewter (#96A8A1). oklch(73.4% 0.024 189.7), rgb(153, 174, 172).
Aa
Black text reads best on this color (9.00:1).
About this color
#99AEAC is a medium-light close to neutral grey. In OKLCH its lightness is 73%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Pewter (#96A8A1), ΔE 0.020 away. Black text reads best on it, at 9.00:1.
| Hue family | Neutrals |
| Lightness | medium-light (73%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Pewter (#96A8A1) |
| Black text | 9.00:1 |
| White text | 2.33:1 |
Values
| HEX | #99AEAC |
| RGB | rgb(153, 174, 172) |
| HSL | hsl(174, 11%, 64%) |
| OKLCH | oklch(73.4% 0.024 189.7) |
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 #99AEAC | 2.33:1 | Fails | Lc -50.9 | Large or bold text, headings |
| Black text on #99AEAC | 9.00:1 | AAA | Lc 58.0 | Large or bold text, headings |
| #99AEAC text on white | 2.33:1 | Fails | Lc 46.0 | Large or bold text, headings |
| #99AEAC text on black | 9.00:1 | AAA | Lc -56.1 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EBEA
oklch(93.7% 0.004 179.7)
-
Step 200
200
#D3DBDA
oklch(88.5% 0.009 188.1)
-
Step 300
300
#B7C4C2
oklch(81% 0.015 185.9)
-
Step 400
400 (this color)
#99AEAC
oklch(73.4% 0.024 189.7)
-
Step 500
500
#75908D
oklch(63.2% 0.031 188.1)
-
Step 600
600
#5E7A77
oklch(55.7% 0.033 188.2)
-
Step 700
700
#4D6664
oklch(49% 0.03 190.1)
-
Step 800
800
#3F5452
oklch(42.8% 0.026 189)
-
Step 900
900
#364544
oklch(37.7% 0.019 191.3)
-
Step 950
950
#202828
oklch(26.9% 0.011 196.5)
#99AEAC 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) | #ABACAC | 0.024 |
| Deuteranopia (no green cones) | #A7A8AC | 0.024 |
| Tritanopia (no blue cones) | #93AFAD | 0.008 |
| Achromatopsia (no color) | #AAAAAA | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99AEAC
#99AEAC
oklch(73.4% 0.024 189.7)
- #B7A3A6
#B7A3A6
oklch(73.4% 0.024 7.4)
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 #99AEAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pewter #96A8A1 ΔE 0.020
- Dark Gray #A9A9A9 ΔE 0.024
- Cool Steel #97A7B3 ΔE 0.025
- Cool Grey #95A3A6 ΔE 0.031
- French Gray #ADB5BD ΔE 0.041
- Cement #A5A391 ΔE 0.041
- Bluegrey #85A3B2 ΔE 0.045
- Muted Teal #90B494 ΔE 0.045
Use #99AEAC 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.