#99BBC4
Closest named color: Light Grey Blue (#9DBCD4). oklch(77% 0.039 215.6), rgb(153, 187, 196).
Aa
Black text reads best on this color (10.25:1).
About this color
#99BBC4 is a medium-light, muted teal or cyan. In OKLCH its lightness is 77%, its chroma 0.039 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.024 away. Black text reads best on it, at 10.25:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (77%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.25:1 |
| White text | 2.04:1 |
Values
| HEX | #99BBC4 |
| RGB | rgb(153, 187, 196) |
| HSL | hsl(193, 27%, 68%) |
| OKLCH | oklch(77% 0.039 215.6) |
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 #99BBC4 | 2.04:1 | Fails | Lc -44.4 | Non-text elements, placeholder text |
| Black text on #99BBC4 | 10.25:1 | AAA | Lc 64.1 | Content text, not long reading |
| #99BBC4 text on white | 2.04:1 | Fails | Lc 39.9 | Non-text elements, placeholder text |
| #99BBC4 text on black | 10.25:1 | AAA | Lc -62.5 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE2
oklch(88.5% 0.022 215.3)
-
Step 300
300 (this color)
#99BBC4
oklch(77% 0.039 215.6)
-
Step 400
400
#73ABB9
oklch(70.7% 0.062 215.1)
-
Step 500
500
#4A96A8
oklch(63.2% 0.08 215.3)
-
Step 600
600
#268093
oklch(55.6% 0.086 215)
-
Step 700
700
#176C7D
oklch(49.1% 0.08 214.9)
-
Step 800
800
#175866
oklch(42.7% 0.067 215.5)
-
Step 900
900
#1B4853
oklch(37.6% 0.052 216.5)
-
Step 950
950
#112A31
oklch(26.8% 0.033 218.4)
#99BBC4 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) | #B4B8C5 | 0.035 |
| Deuteranopia (no green cones) | #ADB3C4 | 0.032 |
| Tritanopia (no blue cones) | #8CBFBE | 0.022 |
| Achromatopsia (no color) | #B5B5B5 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BBC4
#99BBC4
oklch(77% 0.039 215.6)
- #CCACA4
#CCACA4
oklch(77% 0.039 34.3)
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 #99BBC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.024
- French Gray #ADB5BD ΔE 0.028
- Light Cornflower Blue #98C1D9 ΔE 0.030
- Cloudy Blue #ACC2D9 ΔE 0.042
- Light Steel Blue #B0C4DE ΔE 0.052
- Dark Gray #A9A9A9 ΔE 0.052
- Cool Steel #97A7B3 ΔE 0.054
- Silver #C0C0C0 ΔE 0.054
Use #99BBC4 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.