#999C91
Closest named color: Cement (#A5A391). oklch(68.7% 0.016 119.2), rgb(153, 156, 145).
Aa
Black text reads best on this color (7.51:1).
About this color
#999C91 is a medium-light close to neutral grey. In OKLCH its lightness is 69%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Cement (#A5A391), ΔE 0.027 away. Black text reads best on it, at 7.51:1.
| Hue family | Neutrals |
| Lightness | medium-light (69%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Cement (#A5A391) |
| Black text | 7.51:1 |
| White text | 2.79:1 |
Values
| HEX | #999C91 |
| RGB | rgb(153, 156, 145) |
| HSL | hsl(76, 5%, 59%) |
| OKLCH | oklch(68.7% 0.016 119.2) |
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 #999C91 | 2.79:1 | Fails | Lc -59.1 | Large or bold text, headings |
| Black text on #999C91 | 7.51:1 | AAA | Lc 50.2 | Large or bold text, headings |
| #999C91 text on white | 2.79:1 | Fails | Lc 53.8 | Large or bold text, headings |
| #999C91 text on black | 7.51:1 | AAA | Lc -48.0 | 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
#F5F5F4
oklch(97% 0.001 106.4)
-
Step 100
100
#E9EAE8
oklch(93.6% 0.003 128.5)
-
Step 200
200
#D8DAD6
oklch(88.6% 0.006 128.5)
-
Step 300
300
#C0C2BA
oklch(81% 0.011 118.1)
-
Step 400
400 (this color)
#999C91
oklch(68.7% 0.016 119.2)
-
Step 500
500
#888B7E
oklch(63% 0.019 117.5)
-
Step 600
600
#727567
oklch(55.6% 0.021 116.9)
-
Step 700
700
#5F6355
oklch(49.2% 0.022 120.2)
-
Step 800
800
#4E5046
oklch(42.6% 0.016 116.3)
-
Step 900
900
#41433B
oklch(37.8% 0.014 118.5)
-
Step 950
950
#262722
oklch(27% 0.009 116.2)
#999C91 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) | #9E9B90 | 0.007 |
| Deuteranopia (no green cones) | #9D9B91 | 0.006 |
| Tritanopia (no blue cones) | #9A9B99 | 0.013 |
| Achromatopsia (no color) | #9B9B9B | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999C91
#999C91
oklch(68.7% 0.016 119.2)
- #9C98A3
#9C98A3
oklch(68.7% 0.017 302.4)
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 #999C91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cement #A5A391 ΔE 0.027
- Cool Grey #95A3A6 ΔE 0.030
- Pewter #96A8A1 ΔE 0.033
- Stone #ADA587 ΔE 0.044
- Bluey Grey #89A0B0 ΔE 0.046
- Grey Green #86A17D ΔE 0.046
- Cool Gray #8D99AE ΔE 0.048
- Warm Grey #978A84 ΔE 0.048
Use #999C91 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.