#99BEC3
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.6% 0.04 206.5), rgb(153, 190, 195).
Aa
Black text reads best on this color (10.50:1).
About this color
#99BEC3 is a medium-light, muted teal or cyan. In OKLCH its lightness is 78%, its chroma 0.040 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.028 away. Black text reads best on it, at 10.50:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (78%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.50:1 |
| White text | 1.99:1 |
Values
| HEX | #99BEC3 |
| RGB | rgb(153, 190, 195) |
| HSL | hsl(187, 26%, 68%) |
| OKLCH | oklch(77.6% 0.04 206.5) |
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 #99BEC3 | 1.99:1 | Fails | Lc -43.1 | Non-text elements, placeholder text |
| Black text on #99BEC3 | 10.50:1 | AAA | Lc 65.2 | Content text, not long reading |
| #99BEC3 text on white | 1.99:1 | Fails | Lc 38.7 | Non-text elements, placeholder text |
| #99BEC3 text on black | 10.50:1 | AAA | Lc -63.7 | 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
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300 (this color)
#99BEC3
oklch(77.6% 0.04 206.5)
-
Step 400
400
#6FACB5
oklch(70.6% 0.064 207.6)
-
Step 500
500
#4398A2
oklch(63.2% 0.083 205.8)
-
Step 600
600
#19828D
oklch(55.6% 0.089 205.9)
-
Step 700
700
#046E78
oklch(49.2% 0.083 205.9)
-
Step 800
800
#0D5962
oklch(42.6% 0.069 207.4)
-
Step 900
900
#174A50
oklch(37.8% 0.054 206.1)
-
Step 950
950
#0F2B2F
oklch(26.9% 0.034 207.9)
#99BEC3 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) | #B8BBC3 | 0.040 |
| Deuteranopia (no green cones) | #B0B5C3 | 0.036 |
| Tritanopia (no blue cones) | #8CC1BF | 0.019 |
| Achromatopsia (no color) | #B7B7B7 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BEC3
#99BEC3
oklch(77.6% 0.04 206.5)
- #CFADA9
#CFADA9
oklch(77.6% 0.04 25.9)
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 #99BEC3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.028
- Light Cornflower Blue #98C1D9 ΔE 0.030
- French Gray #ADB5BD ΔE 0.032
- Cloudy Blue #ACC2D9 ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.051
- Silver #C0C0C0 ΔE 0.051
- Pale Teal #82CBB2 ΔE 0.056
- Dark Gray #A9A9A9 ΔE 0.058
Use #99BEC3 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.