#99BCB6
Closest named color: French Gray (#ADB5BD). oklch(76.8% 0.039 183.7), rgb(153, 188, 182).
Aa
Black text reads best on this color (10.22:1).
About this color
#99BCB6 is a medium-light, muted teal or cyan. In OKLCH its lightness is 77%, its chroma 0.039 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.035 away. Black text reads best on it, at 10.22:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (77%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.22:1 |
| White text | 2.05:1 |
Values
| HEX | #99BCB6 |
| RGB | rgb(153, 188, 182) |
| HSL | hsl(170, 21%, 67%) |
| OKLCH | oklch(76.8% 0.039 183.7) |
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 #99BCB6 | 2.05:1 | Fails | Lc -44.6 | Non-text elements, placeholder text |
| Black text on #99BCB6 | 10.22:1 | AAA | Lc 63.9 | Content text, not long reading |
| #99BCB6 text on white | 2.05:1 | Fails | Lc 40.0 | Non-text elements, placeholder text |
| #99BCB6 text on black | 10.22:1 | AAA | Lc -62.3 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CADEDA
oklch(88.5% 0.022 182.5)
-
Step 300
300 (this color)
#99BCB6
oklch(76.8% 0.039 183.7)
-
Step 400
400
#74AEA5
oklch(70.8% 0.062 183.8)
-
Step 500
500
#4B998F
oklch(63.1% 0.079 184.5)
-
Step 600
600
#288479
oklch(55.7% 0.086 183.7)
-
Step 700
700
#186F66
oklch(49% 0.08 184.5)
-
Step 800
800
#185B53
oklch(42.8% 0.067 183.6)
-
Step 900
900
#1C4B44
oklch(37.8% 0.052 182.2)
-
Step 950
950
#122C28
oklch(27.1% 0.033 182.6)
#99BCB6 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) | #B8B8B6 | 0.041 |
| Deuteranopia (no green cones) | #B2B3B7 | 0.039 |
| Tritanopia (no blue cones) | #90BEBA | 0.011 |
| Achromatopsia (no color) | #B5B5B5 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BCB6
#99BCB6
oklch(76.8% 0.039 183.7)
- #CAAAB1
#CAAAB1
oklch(76.8% 0.038 3.3)
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 #99BCB6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.035
- Light Grey Blue #9DBCD4 ΔE 0.045
- Light Cornflower Blue #98C1D9 ΔE 0.048
- Pale Teal #82CBB2 ΔE 0.049
- Muted Teal #90B494 ΔE 0.049
- Dark Gray #A9A9A9 ΔE 0.051
- Pewter #96A8A1 ΔE 0.055
- Silver #C0C0C0 ΔE 0.056
Use #99BCB6 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.