#99AAA3
Closest named color: Pewter (#96A8A1). oklch(72.3% 0.022 169.1), rgb(153, 170, 163).
Aa
Black text reads best on this color (8.63:1).
About this color
#99AAA3 is a medium-light close to neutral grey. In OKLCH its lightness is 72%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Pewter (#96A8A1), ΔE 0.007 away. Black text reads best on it, at 8.63:1.
| Hue family | Neutrals |
| Lightness | medium-light (72%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Pewter (#96A8A1) |
| Black text | 8.63:1 |
| White text | 2.43:1 |
Values
| HEX | #99AAA3 |
| RGB | rgb(153, 170, 163) |
| HSL | hsl(155, 9%, 63%) |
| OKLCH | oklch(72.3% 0.022 169.1) |
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 #99AAA3 | 2.43:1 | Fails | Lc -52.9 | Large or bold text, headings |
| Black text on #99AAA3 | 8.63:1 | AAA | Lc 56.1 | Large or bold text, headings |
| #99AAA3 text on white | 2.43:1 | Fails | Lc 47.9 | Large or bold text, headings |
| #99AAA3 text on black | 8.63:1 | AAA | Lc -54.1 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D5DBD8
oklch(88.6% 0.008 164.9)
-
Step 300
300
#B9C3BF
oklch(80.8% 0.012 170.2)
-
Step 400
400 (this color)
#99AAA3
oklch(72.3% 0.022 169.1)
-
Step 500
500
#7A8F87
oklch(63.1% 0.027 170.4)
-
Step 600
600
#637970
oklch(55.6% 0.029 168.5)
-
Step 700
700
#52665E
oklch(49.1% 0.027 168.9)
-
Step 800
800
#43534D
oklch(42.7% 0.022 170.5)
-
Step 900
900
#394540
oklch(37.8% 0.018 168.3)
-
Step 950
950
#212825
oklch(26.9% 0.011 167.8)
#99AAA3 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) | #A9A7A3 | 0.023 |
| Deuteranopia (no green cones) | #A6A5A3 | 0.021 |
| Tritanopia (no blue cones) | #96AAA8 | 0.008 |
| Achromatopsia (no color) | #A6A6A6 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99AAA3
#99AAA3
oklch(72.3% 0.022 169.1)
- #B1A0A7
#B1A0A7
oklch(72.3% 0.022 350.8)
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 #99AAA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pewter #96A8A1 ΔE 0.007
- Cool Grey #95A3A6 ΔE 0.023
- Dark Gray #A9A9A9 ΔE 0.025
- Cool Steel #97A7B3 ΔE 0.027
- Cement #A5A391 ΔE 0.028
- Bland #AFA88B ΔE 0.041
- Stone #ADA587 ΔE 0.042
- Muted Teal #90B494 ΔE 0.042
Use #99AAA3 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.