#99DFDA
Closest named color: Celeste (#A8DADC). oklch(85.6% 0.07 190.3), rgb(153, 223, 218).
Aa
Black text reads best on this color (13.92:1).
About this color
#99DFDA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 86%, its chroma 0.070 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.021 away. Black text reads best on it, at 13.92:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.92:1 |
| White text | 1.50:1 |
Values
| HEX | #99DFDA |
| RGB | rgb(153, 223, 218) |
| HSL | hsl(176, 52%, 74%) |
| OKLCH | oklch(85.6% 0.07 190.3) |
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 #99DFDA | 1.50:1 | Fails | Lc -26.8 | Dividers and decoration only |
| Black text on #99DFDA | 13.92:1 | AAA | Lc 80.1 | Fine for body text |
| #99DFDA text on white | 1.50:1 | Fails | Lc 23.7 | Dividers and decoration only |
| #99DFDA text on black | 13.92:1 | AAA | Lc -79.5 | 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
#EDF8F7
oklch(97.1% 0.012 190.4)
-
Step 100
100
#D7F0EE
oklch(93.6% 0.026 190.9)
-
Step 200
200 (this color)
#99DFDA
oklch(85.6% 0.07 190.3)
-
Step 300
300
#75D4CE
oklch(81% 0.091 190.2)
-
Step 400
400
#00B8B2
oklch(70.6% 0.122 190.6)
-
Step 500
500
#009E98
oklch(63.1% 0.109 190)
-
Step 600
600
#008580
oklch(55.7% 0.096 190.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
Step 800
800
#005C58
oklch(42.8% 0.074 189.6)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#99DFDA 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) | #D7D8DA | 0.074 |
| Deuteranopia (no green cones) | #CACEDB | 0.070 |
| Tritanopia (no blue cones) | #81E3DD | 0.023 |
| Achromatopsia (no color) | #D2D2D2 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99DFDA
#99DFDA
oklch(85.6% 0.07 190.3)
- #FABDC5
#FABDC5
oklch(85.6% 0.071 9.9)
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 #99DFDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.021
- Powder Blue #B0E0E6 ΔE 0.032
- Light Blue #ADD8E6 ΔE 0.037
- Light Teal #90E4C1 ΔE 0.043
- Tiffany Blue #94D2BD ΔE 0.046
- Robin's Egg Blue #98EFF9 ΔE 0.051
- Pale Turquoise #AFEEEE ΔE 0.052
- Robin's Egg #6DEDFD ΔE 0.056
Use #99DFDA 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.