#99DFDE
Closest named color: Celeste (#A8DADC). oklch(85.7% 0.07 194.8), rgb(153, 223, 222).
Aa
Black text reads best on this color (13.96:1).
About this color
#99DFDE is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.070 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.019 away. Black text reads best on it, at 13.96:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.96:1 |
| White text | 1.50:1 |
Values
| HEX | #99DFDE |
| RGB | rgb(153, 223, 222) |
| HSL | hsl(179, 52%, 74%) |
| OKLCH | oklch(85.7% 0.07 194.8) |
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 #99DFDE | 1.50:1 | Fails | Lc -26.7 | Dividers and decoration only |
| Black text on #99DFDE | 13.96:1 | AAA | Lc 80.2 | Fine for body text |
| #99DFDE text on white | 1.50:1 | Fails | Lc 23.5 | Dividers and decoration only |
| #99DFDE text on black | 13.96:1 | AAA | Lc -79.7 | 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
#EDF8F8
oklch(97.1% 0.012 197)
-
Step 100
100
#D7F0EF
oklch(93.7% 0.026 193.8)
-
Step 200
200 (this color)
#99DFDE
oklch(85.7% 0.07 194.8)
-
Step 300
300
#75D3D2
oklch(80.9% 0.09 194.6)
-
Step 400
400
#00B7B7
oklch(70.6% 0.12 194.8)
-
Step 500
500
#009D9D
oklch(63% 0.108 194.8)
-
Step 600
600
#008484
oklch(55.5% 0.095 194.8)
-
Step 700
700
#006F6F
oklch(49% 0.084 194.8)
-
Step 800
800
#005B5B
oklch(42.7% 0.073 194.8)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950
#002D2D
oklch(26.9% 0.046 194.8)
#99DFDE 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) | #D6D8DE | 0.073 |
| Deuteranopia (no green cones) | #C9CEDF | 0.069 |
| Tritanopia (no blue cones) | #7FE3DE | 0.025 |
| Achromatopsia (no color) | #D3D3D3 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99DFDE
#99DFDE
oklch(85.7% 0.07 194.8)
- #FBBEC1
#FBBEC1
oklch(85.7% 0.07 15.4)
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 #99DFDE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.019
- Powder Blue #B0E0E6 ΔE 0.029
- Light Blue #ADD8E6 ΔE 0.033
- Robin's Egg Blue #98EFF9 ΔE 0.048
- Light Teal #90E4C1 ΔE 0.049
- Pale Turquoise #AFEEEE ΔE 0.050
- Tiffany Blue #94D2BD ΔE 0.050
- Robin's Egg #6DEDFD ΔE 0.053
Use #99DFDE 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.