#99B6BC
Closest named color: French Gray (#ADB5BD). oklch(75.7% 0.033 211.6), rgb(153, 182, 188).
Aa
Black text reads best on this color (9.77:1).
About this color
#99B6BC is a medium-light, muted teal or cyan. In OKLCH its lightness is 76%, its chroma 0.033 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.026 away. Black text reads best on it, at 9.77:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.77:1 |
| White text | 2.14:1 |
Values
| HEX | #99B6BC |
| RGB | rgb(153, 182, 188) |
| HSL | hsl(190, 21%, 67%) |
| OKLCH | oklch(75.7% 0.033 211.6) |
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 #99B6BC | 2.14:1 | Fails | Lc -46.9 | Large or bold text, headings |
| Black text on #99B6BC | 9.77:1 | AAA | Lc 61.7 | Content text, not long reading |
| #99B6BC text on white | 2.14:1 | Fails | Lc 42.2 | Non-text elements, placeholder text |
| #99B6BC text on black | 9.77:1 | AAA | Lc -60.0 | Content text, not long reading |
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
#B2C4C8
oklch(80.8% 0.02 212.6)
-
Step 400
400 (this color)
#99B6BC
oklch(75.7% 0.033 211.6)
-
Step 500
500
#6C9198
oklch(63.2% 0.042 210.5)
-
Step 600
600
#537B83
oklch(55.6% 0.046 211.5)
-
Step 700
700
#44676F
oklch(49% 0.042 213.6)
-
Step 800
800
#38545A
oklch(42.6% 0.035 212.5)
-
Step 900
900
#31464A
oklch(37.8% 0.027 210.6)
-
Step 950
950
#1D292B
oklch(27.1% 0.017 208.8)
#99B6BC 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) | #B1B4BC | 0.031 |
| Deuteranopia (no green cones) | #ABAFBC | 0.029 |
| Tritanopia (no blue cones) | #8FB9B8 | 0.017 |
| Achromatopsia (no color) | #B1B1B1 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99B6BC
#99B6BC
oklch(75.7% 0.033 211.6)
- #C4A9A3
#C4A9A3
oklch(75.7% 0.033 32.6)
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 #99B6BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.026
- Light Grey Blue #9DBCD4 ΔE 0.035
- Dark Gray #A9A9A9 ΔE 0.039
- Cool Steel #97A7B3 ΔE 0.040
- Light Cornflower Blue #98C1D9 ΔE 0.043
- Pewter #96A8A1 ΔE 0.046
- Cool Grey #95A3A6 ΔE 0.054
- Cloudy Blue #ACC2D9 ΔE 0.054
Use #99B6BC 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.