#99CED9
Closest named color: Sky Blue (#87CEEB). oklch(81.8% 0.057 211.8), rgb(153, 206, 217).
Aa
Black text reads best on this color (12.18:1).
About this color
#99CED9 is a light, muted teal or cyan. In OKLCH its lightness is 82%, its chroma 0.057 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.030 away. Black text reads best on it, at 12.18:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.18:1 |
| White text | 1.72:1 |
Values
| HEX | #99CED9 |
| RGB | rgb(153, 206, 217) |
| HSL | hsl(190, 46%, 73%) |
| OKLCH | oklch(81.8% 0.057 211.8) |
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 #99CED9 | 1.72:1 | Fails | Lc -34.9 | Non-text elements, placeholder text |
| Black text on #99CED9 | 12.18:1 | AAA | Lc 72.8 | Content text, not long reading |
| #99CED9 text on white | 1.72:1 | Fails | Lc 31.1 | Non-text elements, placeholder text |
| #99CED9 text on black | 12.18:1 | AAA | Lc -71.7 | 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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DEEDF0
oklch(93.6% 0.016 211)
-
Step 200
200
#C2DFE5
oklch(88.4% 0.032 211.6)
-
Step 300
300 (this color)
#99CED9
oklch(81.8% 0.057 211.8)
-
Step 400
400
#53B0C1
oklch(70.7% 0.091 211.2)
-
Step 500
500
#009AB0
oklch(63% 0.11 212.4)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004A56
oklch(37.6% 0.066 213)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#99CED9 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) | #C5CADA | 0.054 |
| Deuteranopia (no green cones) | #BAC2D9 | 0.049 |
| Tritanopia (no blue cones) | #83D3D1 | 0.031 |
| Achromatopsia (no color) | #C5C5C5 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99CED9
#99CED9
oklch(81.8% 0.057 211.8)
- #E6B7AD
#E6B7AD
oklch(81.9% 0.057 32.1)
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 #99CED9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.030
- Light Cornflower Blue #98C1D9 ΔE 0.036
- Cloudy Blue #ACC2D9 ΔE 0.038
- Celeste #A8DADC ΔE 0.038
- Light Steel Blue #B0C4DE ΔE 0.039
- Light Blue #ADD8E6 ΔE 0.039
- Light Blue Grey #B7C9E2 ΔE 0.042
- Tiffany Blue #94D2BD ΔE 0.046
Use #99CED9 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.