#99BEC4
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.7% 0.041 208.5), rgb(153, 190, 196).
Aa
Black text reads best on this color (10.51:1).
About this color
#99BEC4 is a medium-light, muted teal or cyan. In OKLCH its lightness is 78%, its chroma 0.041 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.027 away. Black text reads best on it, at 10.51:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (78%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.51:1 |
| White text | 1.99:1 |
Values
| HEX | #99BEC4 |
| RGB | rgb(153, 190, 196) |
| HSL | hsl(188, 27%, 68%) |
| OKLCH | oklch(77.7% 0.041 208.5) |
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 #99BEC4 | 1.99:1 | Fails | Lc -43.1 | Non-text elements, placeholder text |
| Black text on #99BEC4 | 10.51:1 | AAA | Lc 65.3 | Content text, not long reading |
| #99BEC4 text on white | 1.99:1 | Fails | Lc 38.6 | Non-text elements, placeholder text |
| #99BEC4 text on black | 10.51:1 | 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
#F1F6F7
oklch(97% 0.005 211)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C9DEE1
oklch(88.6% 0.023 207.1)
-
Step 300
300 (this color)
#99BEC4
oklch(77.7% 0.041 208.5)
-
Step 400
400
#6FACB6
oklch(70.7% 0.065 208.9)
-
Step 500
500
#4397A4
oklch(63% 0.083 209)
-
Step 600
600
#18828F
oklch(55.7% 0.09 207.8)
-
Step 700
700
#036D7A
oklch(49% 0.084 209.2)
-
Step 800
800
#0D5963
oklch(42.6% 0.069 208.8)
-
Step 900
900
#174951
oklch(37.6% 0.054 209.9)
-
Step 950
950
#0F2B2F
oklch(26.9% 0.034 207.9)
#99BEC4 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) | #B8BBC4 | 0.040 |
| Deuteranopia (no green cones) | #B0B5C4 | 0.036 |
| Tritanopia (no blue cones) | #8CC1C0 | 0.019 |
| Achromatopsia (no color) | #B7B7B7 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BEC4
#99BEC4
oklch(77.7% 0.041 208.5)
- #CFADA8
#CFADA8
oklch(77.6% 0.04 27.8)
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 #99BEC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.027
- Light Cornflower Blue #98C1D9 ΔE 0.029
- French Gray #ADB5BD ΔE 0.032
- Cloudy Blue #ACC2D9 ΔE 0.040
- Light Steel Blue #B0C4DE ΔE 0.050
- Silver #C0C0C0 ΔE 0.051
- Pale Teal #82CBB2 ΔE 0.057
- Dark Gray #A9A9A9 ΔE 0.058
Use #99BEC4 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.