#99B5BB
Closest named color: French Gray (#ADB5BD). oklch(75.4% 0.032 212.1), rgb(153, 181, 187).
Aa
Black text reads best on this color (9.68:1).
About this color
#99B5BB is a medium-light, muted teal or cyan. In OKLCH its lightness is 75%, its chroma 0.032 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.027 away. Black text reads best on it, at 9.68:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.68:1 |
| White text | 2.16:1 |
Values
| HEX | #99B5BB |
| RGB | rgb(153, 181, 187) |
| HSL | hsl(191, 20%, 67%) |
| OKLCH | oklch(75.4% 0.032 212.1) |
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 #99B5BB | 2.16:1 | Fails | Lc -47.4 | Large or bold text, headings |
| Black text on #99B5BB | 9.68:1 | AAA | Lc 61.3 | Content text, not long reading |
| #99B5BB text on white | 2.16:1 | Fails | Lc 42.6 | Non-text elements, placeholder text |
| #99B5BB text on black | 9.68:1 | AAA | Lc -59.6 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D1DBDD
oklch(88.4% 0.011 211)
-
Step 300
300
#B3C4C8
oklch(80.9% 0.019 213.4)
-
Step 400
400 (this color)
#99B5BB
oklch(75.4% 0.032 212.1)
-
Step 500
500
#6D9098
oklch(63% 0.041 213.3)
-
Step 600
600
#557B82
oklch(55.7% 0.044 210.2)
-
Step 700
700
#45676E
oklch(49.1% 0.041 211.9)
-
Step 800
800
#39545A
oklch(42.7% 0.034 213)
-
Step 900
900
#31464A
oklch(37.8% 0.027 210.6)
-
Step 950
950
#1D292B
oklch(27.1% 0.017 208.8)
#99B5BB 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) | #B0B3BB | 0.030 |
| Deuteranopia (no green cones) | #AAAEBB | 0.028 |
| Tritanopia (no blue cones) | #8FB8B7 | 0.017 |
| Achromatopsia (no color) | #B0B0B0 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99B5BB
#99B5BB
oklch(75.4% 0.032 212.1)
- #C3A8A3
#C3A8A3
oklch(75.4% 0.033 30.2)
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 #99B5BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.027
- Light Grey Blue #9DBCD4 ΔE 0.037
- Dark Gray #A9A9A9 ΔE 0.037
- Cool Steel #97A7B3 ΔE 0.038
- Pewter #96A8A1 ΔE 0.044
- Light Cornflower Blue #98C1D9 ΔE 0.046
- Cool Grey #95A3A6 ΔE 0.051
- Cloudy Blue #ACC2D9 ΔE 0.057
Use #99B5BB 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.