#99AEA3
Closest named color: Pewter (#96A8A1). oklch(73.1% 0.028 162.9), rgb(153, 174, 163).
Aa
Black text reads best on this color (8.93:1).
About this color
#99AEA3 is a medium-light close to neutral grey. In OKLCH its lightness is 73%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Pewter (#96A8A1), ΔE 0.017 away. Black text reads best on it, at 8.93:1.
| Hue family | Neutrals |
| Lightness | medium-light (73%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Pewter (#96A8A1) |
| Black text | 8.93:1 |
| White text | 2.34:1 |
Values
| HEX | #99AEA3 |
| RGB | rgb(153, 174, 163) |
| HSL | hsl(149, 11%, 64%) |
| OKLCH | oklch(73.1% 0.028 162.9) |
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 #99AEA3 | 2.34:1 | Fails | Lc -51.3 | Large or bold text, headings |
| Black text on #99AEA3 | 8.93:1 | AAA | Lc 57.6 | Large or bold text, headings |
| #99AEA3 text on white | 2.34:1 | Fails | Lc 46.3 | Large or bold text, headings |
| #99AEA3 text on black | 8.93:1 | AAA | Lc -55.7 | 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
#D4DBD7
oklch(88.5% 0.009 161.3)
-
Step 300
300
#B7C4BD
oklch(80.8% 0.017 162.6)
-
Step 400
400 (this color)
#99AEA3
oklch(73.1% 0.028 162.9)
-
Step 500
500
#769183
oklch(63.2% 0.037 162.6)
-
Step 600
600
#5F7B6D
oklch(55.7% 0.039 163.2)
-
Step 700
700
#4E675B
oklch(49% 0.035 164.1)
-
Step 800
800
#40544A
oklch(42.6% 0.03 163.2)
-
Step 900
900
#37463E
oklch(37.8% 0.024 161.8)
-
Step 950
950
#202924
oklch(27% 0.016 160.8)
#99AEA3 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) | #ADABA2 | 0.027 |
| Deuteranopia (no green cones) | #A9A8A4 | 0.026 |
| Tritanopia (no blue cones) | #95AEAB | 0.012 |
| Achromatopsia (no color) | #A9A9A9 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99AEA3
#99AEA3
oklch(73.1% 0.028 162.9)
- #B6A1AD
#B6A1AD
oklch(73.1% 0.03 342.5)
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 #99AEA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pewter #96A8A1 ΔE 0.017
- Dark Gray #A9A9A9 ΔE 0.028
- Cement #A5A391 ΔE 0.033
- Cool Grey #95A3A6 ΔE 0.034
- Muted Teal #90B494 ΔE 0.034
- Cool Steel #97A7B3 ΔE 0.035
- Bland #AFA88B ΔE 0.040
- Stone #ADA587 ΔE 0.043
Use #99AEA3 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.