#99BFC3
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.8% 0.041 204.3), rgb(153, 191, 195).
Aa
Black text reads best on this color (10.59:1).
About this color
#99BFC3 is a medium-light, muted teal or cyan. In OKLCH its lightness is 78%, its chroma 0.041 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.029 away. Black text reads best on it, at 10.59:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (78%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.59:1 |
| White text | 1.98:1 |
Values
| HEX | #99BFC3 |
| RGB | rgb(153, 191, 195) |
| HSL | hsl(186, 26%, 68%) |
| OKLCH | oklch(77.8% 0.041 204.3) |
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 #99BFC3 | 1.98:1 | Fails | Lc -42.7 | Non-text elements, placeholder text |
| Black text on #99BFC3 | 10.59:1 | AAA | Lc 65.6 | Content text, not long reading |
| #99BFC3 text on white | 1.98:1 | Fails | Lc 38.3 | Non-text elements, placeholder text |
| #99BFC3 text on black | 10.59:1 | AAA | Lc -64.1 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300 (this color)
#99BFC3
oklch(77.8% 0.041 204.3)
-
Step 400
400
#6EADB4
oklch(70.8% 0.065 204.7)
-
Step 500
500
#4198A1
oklch(63.1% 0.084 204.6)
-
Step 600
600
#12828C
oklch(55.5% 0.091 204.7)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#095A61
oklch(42.8% 0.07 204.4)
-
Step 900
900
#154A4F
oklch(37.7% 0.055 204.1)
-
Step 950
950
#0F2B2E
oklch(26.9% 0.034 204.8)
#99BFC3 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) | #B9BCC3 | 0.041 |
| Deuteranopia (no green cones) | #B1B6C3 | 0.037 |
| Tritanopia (no blue cones) | #8CC2C0 | 0.018 |
| Achromatopsia (no color) | #B8B8B8 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BFC3
#99BFC3
oklch(77.8% 0.041 204.3)
- #D0ADAA
#D0ADAA
oklch(77.8% 0.041 23.8)
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 #99BFC3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.029
- Light Cornflower Blue #98C1D9 ΔE 0.031
- French Gray #ADB5BD ΔE 0.033
- Cloudy Blue #ACC2D9 ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.050
- Silver #C0C0C0 ΔE 0.050
- Pale Teal #82CBB2 ΔE 0.054
- Tiffany Blue #94D2BD ΔE 0.056
Use #99BFC3 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.