#99DEC9
Closest named color: Light Teal (#90E4C1). oklch(84.9% 0.076 173.4), rgb(153, 222, 201).
Aa
Black text reads best on this color (13.64:1).
About this color
#99DEC9 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.076 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Light Teal (#90E4C1), ΔE 0.024 away. Black text reads best on it, at 13.64:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Light Teal (#90E4C1) |
| Black text | 13.64:1 |
| White text | 1.53:1 |
Values
| HEX | #99DEC9 |
| RGB | rgb(153, 222, 201) |
| HSL | hsl(162, 51%, 74%) |
| OKLCH | oklch(84.9% 0.076 173.4) |
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 #99DEC9 | 1.53:1 | Fails | Lc -28.1 | Dividers and decoration only |
| Black text on #99DEC9 | 13.64:1 | AAA | Lc 78.9 | Fine for body text |
| #99DEC9 text on white | 1.53:1 | Fails | Lc 24.8 | Dividers and decoration only |
| #99DEC9 text on black | 13.64:1 | AAA | Lc -78.3 | 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
#EDF8F5
oklch(97% 0.012 178)
-
Step 100
100
#D8F0E8
oklch(93.5% 0.027 173.7)
-
Step 200
200 (this color)
#99DEC9
oklch(84.9% 0.076 173.4)
-
Step 300
300
#79D5BB
oklch(80.8% 0.097 173.5)
-
Step 400
400
#00BB99
oklch(70.6% 0.135 173.4)
-
Step 500
500
#00A183
oklch(63.2% 0.121 173.2)
-
Step 600
600
#00876E
oklch(55.6% 0.106 173.6)
-
Step 700
700
#00725C
oklch(49.2% 0.094 173.1)
-
Step 800
800
#005D4B
oklch(42.7% 0.081 173.5)
-
Step 900
900
#004E3E
oklch(37.8% 0.073 172.9)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#99DEC9 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) | #DAD5C8 | 0.080 |
| Deuteranopia (no green cones) | #CDCDCA | 0.074 |
| Tritanopia (no blue cones) | #86DFD8 | 0.025 |
| Achromatopsia (no color) | #D0D0D0 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99DEC9
#99DEC9
oklch(84.9% 0.076 173.4)
- #F6B9D1
#F6B9D1
oklch(84.8% 0.076 353.4)
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 #99DEC9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Teal #90E4C1 ΔE 0.024
- Tiffany Blue #94D2BD ΔE 0.034
- Celeste #A8DADC ΔE 0.037
- Powder Blue #B0E0E6 ΔE 0.050
- Hospital Green #9BE5AA ΔE 0.052
- Light Blue #ADD8E6 ΔE 0.055
- Seafoam Blue #78D1B6 ΔE 0.055
- Light Turquoise #7EF4CC ΔE 0.061
Use #99DEC9 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.