#99AAA0
Closest named color: Pewter (#96A8A1). oklch(72.2% 0.024 160), rgb(153, 170, 160).
Aa
Black text reads best on this color (8.61:1).
About this color
#99AAA0 is a medium-light close to neutral grey. In OKLCH its lightness is 72%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Pewter (#96A8A1), ΔE 0.008 away. Black text reads best on it, at 8.61:1.
| Hue family | Neutrals |
| Lightness | medium-light (72%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Pewter (#96A8A1) |
| Black text | 8.61:1 |
| White text | 2.43:1 |
Values
| HEX | #99AAA0 |
| RGB | rgb(153, 170, 160) |
| HSL | hsl(145, 9%, 63%) |
| OKLCH | oklch(72.2% 0.024 160) |
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 #99AAA0 | 2.43:1 | Fails | Lc -53.0 | Large or bold text, headings |
| Black text on #99AAA0 | 8.61:1 | AAA | Lc 56.0 | Large or bold text, headings |
| #99AAA0 text on white | 2.43:1 | Fails | Lc 48.0 | Large or bold text, headings |
| #99AAA0 text on black | 8.61:1 | AAA | Lc -54.0 | 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
#D5DBD7
oklch(88.6% 0.008 157.1)
-
Step 300
300
#B9C4BD
oklch(81% 0.015 158.2)
-
Step 400
400 (this color)
#99AAA0
oklch(72.2% 0.024 160)
-
Step 500
500
#7A8F83
oklch(63% 0.03 160.4)
-
Step 600
600
#637A6D
oklch(55.7% 0.034 160.3)
-
Step 700
700
#52665B
oklch(49% 0.03 161)
-
Step 800
800
#43534A
oklch(42.6% 0.025 160.5)
-
Step 900
900
#39453E
oklch(37.7% 0.02 159.7)
-
Step 950
950
#212824
oklch(26.8% 0.012 160.4)
#99AAA0 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) | #AAA7A0 | 0.024 |
| Deuteranopia (no green cones) | #A6A5A1 | 0.022 |
| Tritanopia (no blue cones) | #96AAA7 | 0.010 |
| Achromatopsia (no color) | #A6A6A6 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99AAA0
#99AAA0
oklch(72.2% 0.024 160)
- #B0A0AA
#B0A0AA
oklch(72.3% 0.023 339.8)
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 #99AAA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pewter #96A8A1 ΔE 0.008
- Cool Grey #95A3A6 ΔE 0.025
- Cement #A5A391 ΔE 0.026
- Dark Gray #A9A9A9 ΔE 0.027
- Cool Steel #97A7B3 ΔE 0.032
- Bland #AFA88B ΔE 0.038
- Stone #ADA587 ΔE 0.039
- Muted Teal #90B494 ΔE 0.039
Use #99AAA0 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.