#99DAD3
Closest named color: Celeste (#A8DADC). oklch(84.3% 0.066 187.6), rgb(153, 218, 211).
Aa
Black text reads best on this color (13.32:1).
About this color
#99DAD3 is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.066 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.022 away. Black text reads best on it, at 13.32:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.32:1 |
| White text | 1.57:1 |
Values
| HEX | #99DAD3 |
| RGB | rgb(153, 218, 211) |
| HSL | hsl(174, 47%, 73%) |
| OKLCH | oklch(84.3% 0.066 187.6) |
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 #99DAD3 | 1.57:1 | Fails | Lc -29.6 | Dividers and decoration only |
| Black text on #99DAD3 | 13.32:1 | AAA | Lc 77.6 | Fine for body text |
| #99DAD3 text on white | 1.57:1 | Fails | Lc 26.2 | Dividers and decoration only |
| #99DAD3 text on black | 13.32:1 | AAA | Lc -76.9 | Fine for body text |
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
#EFF7F6
oklch(97% 0.009 188.1)
-
Step 100
100
#DCEEEC
oklch(93.5% 0.019 188.8)
-
Step 200
200
#BFE1DD
oklch(88.4% 0.036 187.8)
-
Step 300
300 (this color)
#99DAD3
oklch(84.3% 0.066 187.6)
-
Step 400
400
#3CB6AC
oklch(70.7% 0.107 187.2)
-
Step 500
500
#009E95
oklch(63% 0.11 187.7)
-
Step 600
600
#00857D
oklch(55.5% 0.097 187.4)
-
Step 700
700
#007069
oklch(49.1% 0.086 187.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#004D48
oklch(37.8% 0.066 187.3)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#99DAD3 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) | #D3D3D3 | 0.071 |
| Deuteranopia (no green cones) | #C7CAD4 | 0.067 |
| Tritanopia (no blue cones) | #84DDD8 | 0.020 |
| Achromatopsia (no color) | #CECECE | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99DAD3
#99DAD3
oklch(84.3% 0.066 187.6)
- #F3BAC3
#F3BAC3
oklch(84.3% 0.067 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 #99DAD3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.022
- Tiffany Blue #94D2BD ΔE 0.033
- Light Blue #ADD8E6 ΔE 0.038
- Powder Blue #B0E0E6 ΔE 0.041
- Light Teal #90E4C1 ΔE 0.044
- Sky Blue #87CEEB ΔE 0.058
- Seafoam Blue #78D1B6 ΔE 0.058
- Pale Teal #82CBB2 ΔE 0.062
Use #99DAD3 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.