#999D8B
Closest named color: Cement (#A5A391). oklch(68.8% 0.026 117.3), rgb(153, 157, 139).
Aa
Black text reads best on this color (7.55:1).
About this color
#999D8B is a medium-light close to neutral grey. In OKLCH its lightness is 69%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Cement (#A5A391), ΔE 0.025 away. Black text reads best on it, at 7.55:1.
| Hue family | Neutrals |
| Lightness | medium-light (69%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Cement (#A5A391) |
| Black text | 7.55:1 |
| White text | 2.78:1 |
Values
| HEX | #999D8B |
| RGB | rgb(153, 157, 139) |
| HSL | hsl(73, 8%, 58%) |
| OKLCH | oklch(68.8% 0.026 117.3) |
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 #999D8B | 2.78:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #999D8B | 7.55:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #999D8B text on white | 2.78:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #999D8B text on black | 7.55:1 | AAA | Lc -48.2 | 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
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E9EAE7
oklch(93.5% 0.004 121.6)
-
Step 200
200
#D8DAD3
oklch(88.5% 0.01 119.6)
-
Step 300
300
#BFC2B6
oklch(80.8% 0.017 118.2)
-
Step 400
400 (this color)
#999D8B
oklch(68.8% 0.026 117.3)
-
Step 500
500
#888C76
oklch(63% 0.032 115.7)
-
Step 600
600
#71765E
oklch(55.5% 0.036 117.2)
-
Step 700
700
#5F634E
oklch(49% 0.033 116.4)
-
Step 800
800
#4E5140
oklch(42.7% 0.027 115.7)
-
Step 900
900
#404336
oklch(37.6% 0.022 118)
-
Step 950
950
#262720
oklch(26.9% 0.013 113.9)
#999D8B 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) | #A09B8A | 0.011 |
| Deuteranopia (no green cones) | #9F9B8C | 0.010 |
| Tritanopia (no blue cones) | #9B9B98 | 0.022 |
| Achromatopsia (no color) | #9B9B9B | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999D8B
#999D8B
oklch(68.8% 0.026 117.3)
- #9C98A9
#9C98A9
oklch(68.9% 0.025 296.5)
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 #999D8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cement #A5A391 ΔE 0.025
- Pewter #96A8A1 ΔE 0.035
- Cool Grey #95A3A6 ΔE 0.037
- Grey Green #86A17D ΔE 0.038
- Stone #ADA587 ΔE 0.039
- Bland #AFA88B ΔE 0.046
- Dust #B2996E ΔE 0.048
- Greeny Grey #7EA07A ΔE 0.048
Use #999D8B 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.