#99BBCB
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.2% 0.043 228.1), rgb(153, 187, 203).
Aa
Black text reads best on this color (10.32:1).
About this color
#99BBCB is a medium-light, muted teal or cyan. In OKLCH its lightness is 77%, its chroma 0.043 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.014 away. Black text reads best on it, at 10.32:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (77%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.32:1 |
| White text | 2.03:1 |
Values
| HEX | #99BBCB |
| RGB | rgb(153, 187, 203) |
| HSL | hsl(199, 32%, 70%) |
| OKLCH | oklch(77.2% 0.043 228.1) |
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 #99BBCB | 2.03:1 | Fails | Lc -44.1 | Non-text elements, placeholder text |
| Black text on #99BBCB | 10.32:1 | AAA | Lc 64.4 | Content text, not long reading |
| #99BBCB text on white | 2.03:1 | Fails | Lc 39.5 | Non-text elements, placeholder text |
| #99BBCB text on black | 10.32:1 | AAA | Lc -62.8 | 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
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE6
oklch(88.6% 0.024 227.8)
-
Step 300
300 (this color)
#99BBCB
oklch(77.2% 0.043 228.1)
-
Step 400
400
#72AAC3
oklch(70.8% 0.069 227.8)
-
Step 500
500
#4894B4
oklch(63.1% 0.089 228.2)
-
Step 600
600
#247E9F
oklch(55.6% 0.096 227.4)
-
Step 700
700
#146A88
oklch(49.1% 0.089 227.6)
-
Step 800
800
#16566F
oklch(42.6% 0.074 229)
-
Step 900
900
#1A475A
oklch(37.6% 0.058 229.1)
-
Step 950
950
#112A34
oklch(27% 0.036 226.6)
#99BBCB 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) | #B3B9CC | 0.033 |
| Deuteranopia (no green cones) | #ABB3CB | 0.030 |
| Tritanopia (no blue cones) | #8AC0C0 | 0.030 |
| Achromatopsia (no color) | #B6B6B6 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BBCB
#99BBCB
oklch(77.2% 0.043 228.1)
- #CDAD9E
#CDAD9E
oklch(77.2% 0.043 46.6)
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 #99BBCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.014
- Light Cornflower Blue #98C1D9 ΔE 0.022
- French Gray #ADB5BD ΔE 0.030
- Cloudy Blue #ACC2D9 ΔE 0.036
- Light Steel Blue #B0C4DE ΔE 0.046
- Silver #C0C0C0 ΔE 0.056
- Cool Steel #97A7B3 ΔE 0.056
- Dark Gray #A9A9A9 ΔE 0.057
Use #99BBCB 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.