#99F0EB
Closest named color: Robin's Egg Blue (#98EFF9). oklch(89.9% 0.084 191.1), rgb(153, 240, 235).
Aa
Black text reads best on this color (16.01:1).
About this color
#99F0EB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 90%, its chroma 0.084 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.021 away. Black text reads best on it, at 16.01:1.
| Hue family | Teals and cyans |
| Lightness | light (90%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 16.01:1 |
| White text | 1.31:1 |
Values
| HEX | #99F0EB |
| RGB | rgb(153, 240, 235) |
| HSL | hsl(177, 74%, 77%) |
| OKLCH | oklch(89.9% 0.084 191.1) |
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 #99F0EB | 1.31:1 | Fails | Lc -17.6 | Dividers and decoration only |
| Black text on #99F0EB | 16.01:1 | AAA | Lc 88.4 | Fine for body text |
| #99F0EB text on white | 1.31:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #99F0EB text on black | 16.01:1 | AAA | Lc -88.5 | 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
#D3F1EF
oklch(93.6% 0.031 191.7)
-
Step 200
200 (this color)
#99F0EB
oklch(89.9% 0.084 191.1)
-
Step 300
300
#5ED7D1
oklch(80.9% 0.108 190.8)
-
Step 400
400
#00B8B3
oklch(70.7% 0.122 191.3)
-
Step 500
500
#009E99
oklch(63.1% 0.109 190.8)
-
Step 600
600
#008581
oklch(55.7% 0.096 191.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
Step 800
800
#005B59
oklch(42.6% 0.073 192.2)
-
Step 900
900
#004C4A
oklch(37.6% 0.065 191.7)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#99F0EB 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) | #E7E8EB | 0.090 |
| Deuteranopia (no green cones) | #D7DCEC | 0.084 |
| Tritanopia (no blue cones) | #77F4EE | 0.028 |
| Achromatopsia (no color) | #E1E1E1 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99F0EB
#99F0EB
oklch(89.9% 0.084 191.1)
- #FFD0D5
#FFD0D5
oklch(89.9% 0.053 11)
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 #99F0EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.021
- Pale Turquoise #AFEEEE ΔE 0.024
- Robin Egg Blue #8AF1FE ΔE 0.027
- Robin's Egg #6DEDFD ΔE 0.044
- Powder Blue #B0E0E6 ΔE 0.045
- Diamond #B9F2FF ΔE 0.046
- Pale Sky Blue #BDF6FE ΔE 0.050
- Light Aqua #8CFFDB ΔE 0.053
Use #99F0EB 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.