#99DED3
Closest named color: Celeste (#A8DADC). oklch(85.2% 0.071 183.6), rgb(153, 222, 211).
Aa
Black text reads best on this color (13.74:1).
About this color
#99DED3 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.071 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.026 away. Black text reads best on it, at 13.74:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.74:1 |
| White text | 1.52:1 |
Values
| HEX | #99DED3 |
| RGB | rgb(153, 222, 211) |
| HSL | hsl(170, 51%, 74%) |
| OKLCH | oklch(85.2% 0.071 183.6) |
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 #99DED3 | 1.52:1 | Fails | Lc -27.7 | Dividers and decoration only |
| Black text on #99DED3 | 13.74:1 | AAA | Lc 79.3 | Fine for body text |
| #99DED3 text on white | 1.52:1 | Fails | Lc 24.4 | Dividers and decoration only |
| #99DED3 text on black | 13.74:1 | AAA | Lc -78.7 | 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
#EDF8F6
oklch(97% 0.012 184.1)
-
Step 100
100
#D8F0EC
oklch(93.6% 0.026 184.7)
-
Step 200
200 (this color)
#99DED3
oklch(85.2% 0.071 183.6)
-
Step 300
300
#77D4C7
oklch(80.9% 0.091 184)
-
Step 400
400
#00B9A9
oklch(70.6% 0.125 184)
-
Step 500
500
#009F90
oklch(63.1% 0.112 183.2)
-
Step 600
600
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#99DED3 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) | #D8D6D3 | 0.077 |
| Deuteranopia (no green cones) | #CBCDD4 | 0.072 |
| Tritanopia (no blue cones) | #83E1DA | 0.021 |
| Achromatopsia (no color) | #D1D1D1 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99DED3
#99DED3
oklch(85.2% 0.071 183.6)
- #F7BCC9
#F7BCC9
oklch(85.2% 0.07 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 #99DED3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.026
- Light Teal #90E4C1 ΔE 0.036
- Powder Blue #B0E0E6 ΔE 0.039
- Tiffany Blue #94D2BD ΔE 0.039
- Light Blue #ADD8E6 ΔE 0.043
- Pale Turquoise #AFEEEE ΔE 0.058
- Robin's Egg Blue #98EFF9 ΔE 0.058
- Seafoam Blue #78D1B6 ΔE 0.062
Use #99DED3 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.