#99DECB
Closest named color: Light Teal (#90E4C1). oklch(84.9% 0.074 175.4), rgb(153, 222, 203).
Aa
Black text reads best on this color (13.66:1).
About this color
#99DECB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.074 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Light Teal (#90E4C1), ΔE 0.027 away. Black text reads best on it, at 13.66:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Light Teal (#90E4C1) |
| Black text | 13.66:1 |
| White text | 1.53:1 |
Values
| HEX | #99DECB |
| RGB | rgb(153, 222, 203) |
| HSL | hsl(163, 51%, 74%) |
| OKLCH | oklch(84.9% 0.074 175.4) |
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 #99DECB | 1.53:1 | Fails | Lc -28.0 | Dividers and decoration only |
| Black text on #99DECB | 13.66:1 | AAA | Lc 79.0 | Fine for body text |
| #99DECB text on white | 1.53:1 | Fails | Lc 24.7 | Dividers and decoration only |
| #99DECB text on black | 13.66:1 | AAA | Lc -78.4 | 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
#D8F0E9
oklch(93.6% 0.027 176.3)
-
Step 200
200 (this color)
#99DECB
oklch(84.9% 0.074 175.4)
-
Step 300
300
#78D5BD
oklch(80.8% 0.096 175.2)
-
Step 400
400
#00BB9C
oklch(70.7% 0.133 175.1)
-
Step 500
500
#00A086
oklch(63% 0.118 175.6)
-
Step 600
600
#008770
oklch(55.7% 0.105 175.1)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004E40
oklch(37.9% 0.071 175.3)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#99DECB 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) | #D9D6CA | 0.078 |
| Deuteranopia (no green cones) | #CDCDCC | 0.074 |
| Tritanopia (no blue cones) | #86E0D8 | 0.023 |
| Achromatopsia (no color) | #D0D0D0 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99DECB
#99DECB
oklch(84.9% 0.074 175.4)
- #F6BAD0
#F6BAD0
oklch(85% 0.074 355)
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 #99DECB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Teal #90E4C1 ΔE 0.027
- Tiffany Blue #94D2BD ΔE 0.034
- Celeste #A8DADC ΔE 0.035
- Powder Blue #B0E0E6 ΔE 0.048
- Light Blue #ADD8E6 ΔE 0.053
- Hospital Green #9BE5AA ΔE 0.054
- Seafoam Blue #78D1B6 ΔE 0.056
- Light Turquoise #7EF4CC ΔE 0.062
Use #99DECB 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.