#99CDD1
Closest named color: Tiffany Blue (#94D2BD). oklch(81.3% 0.054 202.1), rgb(153, 205, 209).
Aa
Black text reads best on this color (12.00:1).
About this color
#99CDD1 is a light, muted teal or cyan. In OKLCH its lightness is 81%, its chroma 0.054 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Tiffany Blue (#94D2BD), ΔE 0.036 away. Black text reads best on it, at 12.00:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Tiffany Blue (#94D2BD) |
| Black text | 12.00:1 |
| White text | 1.74:1 |
Values
| HEX | #99CDD1 |
| RGB | rgb(153, 205, 209) |
| HSL | hsl(184, 38%, 71%) |
| OKLCH | oklch(81.3% 0.054 202.1) |
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 #99CDD1 | 1.74:1 | Fails | Lc -35.8 | Non-text elements, placeholder text |
| Black text on #99CDD1 | 12.00:1 | AAA | Lc 72.0 | Content text, not long reading |
| #99CDD1 text on white | 1.74:1 | Fails | Lc 31.9 | Non-text elements, placeholder text |
| #99CDD1 text on black | 12.00:1 | AAA | Lc -70.9 | 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
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DFEDEE
oklch(93.6% 0.015 202)
-
Step 200
200
#C3DFE2
oklch(88.4% 0.03 204.5)
-
Step 300
300 (this color)
#99CDD1
oklch(81.3% 0.054 202.1)
-
Step 400
400
#56B1B8
oklch(70.8% 0.087 202.1)
-
Step 500
500
#009CA5
oklch(63.1% 0.107 202)
-
Step 600
600
#00838B
oklch(55.5% 0.095 202.3)
-
Step 700
700
#006E75
oklch(49% 0.083 202.5)
-
Step 800
800
#005A60
oklch(42.6% 0.073 202.7)
-
Step 900
900
#004B50
oklch(37.6% 0.064 202.5)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#99CDD1 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) | #C5C8D1 | 0.055 |
| Deuteranopia (no green cones) | #BBC0D1 | 0.052 |
| Tritanopia (no blue cones) | #86D1CE | 0.023 |
| Achromatopsia (no color) | #C4C4C4 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99CDD1
#99CDD1
oklch(81.3% 0.054 202.1)
- #E3B5B2
#E3B5B2
oklch(81.3% 0.054 22.7)
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 #99CDD1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tiffany Blue #94D2BD ΔE 0.036
- Light Cornflower Blue #98C1D9 ΔE 0.039
- Sky Blue #87CEEB ΔE 0.039
- Celeste #A8DADC ΔE 0.041
- Cloudy Blue #ACC2D9 ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.044
- Light Blue #ADD8E6 ΔE 0.046
- Light Blue Grey #B7C9E2 ΔE 0.048
Use #99CDD1 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.