#99EDEB
Closest named color: Robin's Egg Blue (#98EFF9). oklch(89.2% 0.082 193.9), rgb(153, 237, 235).
Aa
Black text reads best on this color (15.66:1).
About this color
#99EDEB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 89%, its chroma 0.082 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.019 away. Black text reads best on it, at 15.66:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 15.66:1 |
| White text | 1.34:1 |
Values
| HEX | #99EDEB |
| RGB | rgb(153, 237, 235) |
| HSL | hsl(179, 70%, 76%) |
| OKLCH | oklch(89.2% 0.082 193.9) |
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 #99EDEB | 1.34:1 | Fails | Lc -19.1 | Dividers and decoration only |
| Black text on #99EDEB | 15.66:1 | AAA | Lc 87.0 | Fine for body text |
| #99EDEB text on white | 1.34:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #99EDEB text on black | 15.66:1 | AAA | Lc -87.0 | 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
#EBF9F8
oklch(97.1% 0.015 191.8)
-
Step 100
100
#D4F1F0
oklch(93.7% 0.03 194.1)
-
Step 200
200 (this color)
#99EDEB
oklch(89.2% 0.082 193.9)
-
Step 300
300
#62D6D4
oklch(80.9% 0.105 193.7)
-
Step 400
400
#00B8B6
oklch(70.8% 0.121 193.4)
-
Step 500
500
#009D9C
oklch(63% 0.108 194)
-
Step 600
600
#008483
oklch(55.5% 0.095 193.8)
-
Step 700
700
#006F6E
oklch(49% 0.084 193.7)
-
Step 800
800
#005B5B
oklch(42.7% 0.073 194.8)
-
Step 900
900
#004C4B
oklch(37.7% 0.064 193.2)
-
Step 950
950
#002D2D
oklch(26.9% 0.046 194.8)
#99EDEB 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) | #E3E5EB | 0.086 |
| Deuteranopia (no green cones) | #D4DAEC | 0.080 |
| Tritanopia (no blue cones) | #78F2EC | 0.029 |
| Achromatopsia (no color) | #DEDEDE | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99EDEB
#99EDEB
oklch(89.2% 0.082 193.9)
- #FFCDD0
#FFCDD0
oklch(89.3% 0.057 14.2)
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 #99EDEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.019
- Pale Turquoise #AFEEEE ΔE 0.024
- Robin Egg Blue #8AF1FE ΔE 0.026
- Powder Blue #B0E0E6 ΔE 0.038
- Robin's Egg #6DEDFD ΔE 0.041
- Diamond #B9F2FF ΔE 0.047
- Celeste #A8DADC ΔE 0.049
- Pale Sky Blue #BDF6FE ΔE 0.053
Use #99EDEB 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.