#99BBBE
Closest named color: French Gray (#ADB5BD). oklch(76.8% 0.037 203), rgb(153, 187, 190).
Aa
Black text reads best on this color (10.20:1).
About this color
#99BBBE is a medium-light, muted teal or cyan. In OKLCH its lightness is 77%, its chroma 0.037 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.029 away. Black text reads best on it, at 10.20:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (77%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.20:1 |
| White text | 2.05:1 |
Values
| HEX | #99BBBE |
| RGB | rgb(153, 187, 190) |
| HSL | hsl(185, 22%, 67%) |
| OKLCH | oklch(76.8% 0.037 203) |
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 #99BBBE | 2.05:1 | Fails | Lc -44.7 | Non-text elements, placeholder text |
| Black text on #99BBBE | 10.20:1 | AAA | Lc 63.8 | Content text, not long reading |
| #99BBBE text on white | 2.05:1 | Fails | Lc 40.1 | Non-text elements, placeholder text |
| #99BBBE text on black | 10.20:1 | AAA | Lc -62.2 | 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 300.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CADDDF
oklch(88.4% 0.021 204.4)
-
Step 300
300 (this color)
#99BBBE
oklch(76.8% 0.037 203)
-
Step 400
400
#74ACB1
oklch(70.7% 0.059 203)
-
Step 500
500
#4B979E
oklch(63.1% 0.076 203.4)
-
Step 600
600
#288189
oklch(55.5% 0.082 203.8)
-
Step 700
700
#196D74
oklch(49.1% 0.076 203.4)
-
Step 800
800
#19595E
oklch(42.7% 0.063 202.6)
-
Step 900
900
#1C494D
oklch(37.6% 0.049 203.3)
-
Step 950
950
#122B2D
oklch(27% 0.031 202.3)
#99BBBE 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) | #B6B8BE | 0.038 |
| Deuteranopia (no green cones) | #AFB2BE | 0.036 |
| Tritanopia (no blue cones) | #8EBEBC | 0.016 |
| Achromatopsia (no color) | #B5B5B5 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BBBE
#99BBBE
oklch(76.8% 0.037 203)
- #CAABA9
#CAABA9
oklch(76.8% 0.036 22.3)
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 #99BBBE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.029
- Light Grey Blue #9DBCD4 ΔE 0.032
- Light Cornflower Blue #98C1D9 ΔE 0.037
- Cloudy Blue #ACC2D9 ΔE 0.048
- Dark Gray #A9A9A9 ΔE 0.050
- Cool Steel #97A7B3 ΔE 0.053
- Silver #C0C0C0 ΔE 0.054
- Pewter #96A8A1 ΔE 0.057
Use #99BBBE 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.