#99B3BE
Closest named color: French Gray (#ADB5BD). oklch(75.1% 0.033 225.3), rgb(153, 179, 190).
Aa
Black text reads best on this color (9.54:1).
About this color
#99B3BE is a medium-light, muted teal or cyan. In OKLCH its lightness is 75%, its chroma 0.033 and its hue 225°. 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 9.54:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.54:1 |
| White text | 2.19:1 |
Values
| HEX | #99B3BE |
| RGB | rgb(153, 179, 190) |
| HSL | hsl(198, 22%, 67%) |
| OKLCH | oklch(75.1% 0.033 225.3) |
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 #99B3BE | 2.19:1 | Fails | Lc -48.1 | Large or bold text, headings |
| Black text on #99B3BE | 9.54:1 | AAA | Lc 60.7 | Content text, not long reading |
| #99B3BE text on white | 2.19:1 | Fails | Lc 43.3 | Non-text elements, placeholder text |
| #99B3BE text on black | 9.54:1 | AAA | Lc -58.9 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D2DBDF
oklch(88.6% 0.011 226)
-
Step 300
300
#B3C4CB
oklch(80.9% 0.021 224.4)
-
Step 400
400 (this color)
#99B3BE
oklch(75.1% 0.033 225.3)
-
Step 500
500
#6F8F9D
oklch(63.1% 0.042 226.5)
-
Step 600
600
#567988
oklch(55.5% 0.046 226.4)
-
Step 700
700
#466673
oklch(49.1% 0.043 225.2)
-
Step 800
800
#3A535E
oklch(42.6% 0.035 227)
-
Step 900
900
#32454D
oklch(37.8% 0.028 225.7)
-
Step 950
950
#1D282D
oklch(26.9% 0.018 227.5)
#99B3BE 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) | #ADB1BF | 0.027 |
| Deuteranopia (no green cones) | #A7ADBE | 0.023 |
| Tritanopia (no blue cones) | #8FB6B6 | 0.021 |
| Achromatopsia (no color) | #AFAFAF | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99B3BE
#99B3BE
oklch(75.1% 0.033 225.3)
- #C1A89D
#C1A89D
oklch(75% 0.033 45.2)
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 #99B3BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.027
- Cool Steel #97A7B3 ΔE 0.033
- Light Grey Blue #9DBCD4 ΔE 0.035
- Dark Gray #A9A9A9 ΔE 0.036
- Pewter #96A8A1 ΔE 0.044
- Light Cornflower Blue #98C1D9 ΔE 0.046
- Cool Grey #95A3A6 ΔE 0.048
- Bluegrey #85A3B2 ΔE 0.053
Use #99B3BE 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.