#99EAE7
Closest named color: Robin's Egg Blue (#98EFF9). oklch(88.4% 0.079 192.8), rgb(153, 234, 231).
Aa
Black text reads best on this color (15.27:1).
About this color
#99EAE7 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 88%, its chroma 0.079 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.024 away. Black text reads best on it, at 15.27:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 15.27:1 |
| White text | 1.37:1 |
Values
| HEX | #99EAE7 |
| RGB | rgb(153, 234, 231) |
| HSL | hsl(178, 66%, 76%) |
| OKLCH | oklch(88.4% 0.079 192.8) |
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 #99EAE7 | 1.37:1 | Fails | Lc -20.8 | Dividers and decoration only |
| Black text on #99EAE7 | 15.27:1 | AAA | Lc 85.5 | Fine for body text |
| #99EAE7 text on white | 1.37:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #99EAE7 text on black | 15.27:1 | AAA | Lc -85.4 | 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
#ECF9F8
oklch(97.2% 0.014 191.4)
-
Step 100
100
#D4F1EF
oklch(93.7% 0.03 191.6)
-
Step 200
200 (this color)
#99EAE7
oklch(88.4% 0.079 192.8)
-
Step 300
300
#66D6D2
oklch(81% 0.103 192.2)
-
Step 400
400
#00B8B5
oklch(70.8% 0.121 192.7)
-
Step 500
500
#009E9B
oklch(63.2% 0.108 192.4)
-
Step 600
600
#008482
oklch(55.5% 0.095 192.9)
-
Step 700
700
#006F6E
oklch(49% 0.084 193.7)
-
Step 800
800
#005B5A
oklch(42.6% 0.073 193.5)
-
Step 900
900
#004C4B
oklch(37.7% 0.064 193.2)
-
Step 950
950
#002D2D
oklch(26.9% 0.046 194.8)
#99EAE7 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) | #E1E2E7 | 0.084 |
| Deuteranopia (no green cones) | #D2D7E8 | 0.079 |
| Tritanopia (no blue cones) | #7AEEE9 | 0.027 |
| Achromatopsia (no color) | #DCDCDC | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99EAE7
#99EAE7
oklch(88.4% 0.079 192.8)
- #FFC9CD
#FFC9CD
oklch(88.4% 0.062 13.4)
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 #99EAE7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.024
- Pale Turquoise #AFEEEE ΔE 0.028
- Robin Egg Blue #8AF1FE ΔE 0.032
- Powder Blue #B0E0E6 ΔE 0.034
- Celeste #A8DADC ΔE 0.041
- Robin's Egg #6DEDFD ΔE 0.042
- Light Blue #ADD8E6 ΔE 0.050
- Diamond #B9F2FF ΔE 0.052
Use #99EAE7 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.