#99DAE2
Closest named color: Celeste (#A8DADC). oklch(84.7% 0.066 205.6), rgb(153, 218, 226).
Aa
Black text reads best on this color (13.48:1).
About this color
#99DAE2 is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.066 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.017 away. Black text reads best on it, at 13.48:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.48:1 |
| White text | 1.55:1 |
Values
| HEX | #99DAE2 |
| RGB | rgb(153, 218, 226) |
| HSL | hsl(187, 56%, 74%) |
| OKLCH | oklch(84.7% 0.066 205.6) |
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 #99DAE2 | 1.55:1 | Fails | Lc -28.9 | Dividers and decoration only |
| Black text on #99DAE2 | 13.48:1 | AAA | Lc 78.3 | Fine for body text |
| #99DAE2 text on white | 1.55:1 | Fails | Lc 25.5 | Dividers and decoration only |
| #99DAE2 text on black | 13.48:1 | AAA | Lc -77.6 | 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 200.
-
Step 50
50
#EDF8F9
oklch(97.1% 0.012 203.5)
-
Step 100
100
#D8EFF2
oklch(93.6% 0.025 206.2)
-
Step 200
200 (this color)
#99DAE2
oklch(84.7% 0.066 205.6)
-
Step 300
300
#7AD1DB
oklch(81% 0.085 205.1)
-
Step 400
400
#00B5C5
oklch(70.6% 0.121 206)
-
Step 500
500
#009CA9
oklch(63.2% 0.108 205.2)
-
Step 600
600
#00838E
oklch(55.7% 0.095 205.2)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#004B52
oklch(37.7% 0.064 205.5)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#99DAE2 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) | #D0D5E3 | 0.066 |
| Deuteranopia (no green cones) | #C3CBE2 | 0.060 |
| Tritanopia (no blue cones) | #7EDFDC | 0.031 |
| Achromatopsia (no color) | #CFCFCF | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99DAE2
#99DAE2
oklch(84.7% 0.066 205.6)
- #F6BDB7
#F6BDB7
oklch(84.8% 0.067 25.4)
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 #99DAE2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.017
- Light Blue #ADD8E6 ΔE 0.024
- Powder Blue #B0E0E6 ΔE 0.032
- Sky Blue #87CEEB ΔE 0.044
- Tiffany Blue #94D2BD ΔE 0.051
- Light Blue Grey #B7C9E2 ΔE 0.054
- Robin's Egg Blue #98EFF9 ΔE 0.056
- Light Sky Blue #87CEFA ΔE 0.058
Use #99DAE2 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.