#99E7F3
Closest named color: Robin's Egg Blue (#98EFF9). oklch(88.2% 0.078 208.1), rgb(153, 231, 243).
Aa
Black text reads best on this color (15.07:1).
About this color
#99E7F3 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 88%, its chroma 0.078 and its hue 208°. 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 15.07:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 15.07:1 |
| White text | 1.39:1 |
Values
| HEX | #99E7F3 |
| RGB | rgb(153, 231, 243) |
| HSL | hsl(188, 79%, 78%) |
| OKLCH | oklch(88.2% 0.078 208.1) |
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 #99E7F3 | 1.39:1 | Fails | Lc -21.7 | Dividers and decoration only |
| Black text on #99E7F3 | 15.07:1 | AAA | Lc 84.7 | Fine for body text |
| #99E7F3 text on white | 1.39:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #99E7F3 text on black | 15.07:1 | AAA | Lc -84.5 | 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
#ECF8FA
oklch(97.1% 0.013 208.8)
-
Step 100
100
#D5F0F4
oklch(93.7% 0.029 207.4)
-
Step 200
200 (this color)
#99E7F3
oklch(88.2% 0.078 208.1)
-
Step 300
300
#68D3E2
oklch(80.9% 0.101 207.5)
-
Step 400
400
#00B5C8
oklch(70.7% 0.122 208)
-
Step 500
500
#009BAC
oklch(63.1% 0.109 208.4)
-
Step 600
600
#008290
oklch(55.5% 0.095 208)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#002D32
oklch(27.1% 0.046 206.3)
#99E7F3 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) | #DBE1F4 | 0.076 |
| Deuteranopia (no green cones) | #CBD6F3 | 0.069 |
| Tritanopia (no blue cones) | #75EEEA | 0.040 |
| Achromatopsia (no color) | #DADADA | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99E7F3
#99E7F3
oklch(88.2% 0.078 208.1)
- #FFC9C1
#FFC9C1
oklch(88.1% 0.063 28.1)
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 #99E7F3, 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
- Robin Egg Blue #8AF1FE ΔE 0.027
- Powder Blue #B0E0E6 ΔE 0.029
- Pale Turquoise #AFEEEE ΔE 0.033
- Robin's Egg #6DEDFD ΔE 0.037
- Celeste #A8DADC ΔE 0.039
- Light Blue #ADD8E6 ΔE 0.041
- Diamond #B9F2FF ΔE 0.049
Use #99E7F3 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.