#99E4E5
Closest named color: Powder Blue (#B0E0E6). oklch(87% 0.074 196.9), rgb(153, 228, 229).
Aa
Black text reads best on this color (14.58:1).
About this color
#99E4E5 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 87%, its chroma 0.074 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.026 away. Black text reads best on it, at 14.58:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.58:1 |
| White text | 1.44:1 |
Values
| HEX | #99E4E5 |
| RGB | rgb(153, 228, 229) |
| HSL | hsl(181, 59%, 75%) |
| OKLCH | oklch(87% 0.074 196.9) |
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 #99E4E5 | 1.44:1 | Fails | Lc -23.9 | Dividers and decoration only |
| Black text on #99E4E5 | 14.58:1 | AAA | Lc 82.7 | Fine for body text |
| #99E4E5 text on white | 1.44:1 | Fails | Lc 21.0 | Dividers and decoration only |
| #99E4E5 text on black | 14.58:1 | AAA | Lc -82.4 | 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
#ECF8F8
oklch(97% 0.013 196.9)
-
Step 100
100
#D6F0F0
oklch(93.6% 0.027 196.7)
-
Step 200
200 (this color)
#99E4E5
oklch(87% 0.074 196.9)
-
Step 300
300
#6ED4D6
oklch(81% 0.095 197.1)
-
Step 400
400
#00B7BA
oklch(70.7% 0.12 196.9)
-
Step 500
500
#009DA0
oklch(63.1% 0.107 197.2)
-
Step 600
600
#008486
oklch(55.6% 0.095 196.7)
-
Step 700
700
#006F71
oklch(49.1% 0.084 197)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900
#004C4D
oklch(37.8% 0.064 196.3)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#99E4E5 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) | #DADDE5 | 0.077 |
| Deuteranopia (no green cones) | #CCD3E6 | 0.071 |
| Tritanopia (no blue cones) | #7CE9E4 | 0.028 |
| Achromatopsia (no color) | #D7D7D7 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99E4E5
#99E4E5
oklch(87% 0.074 196.9)
- #FFC3C4
#FFC3C4
oklch(87.1% 0.069 17.5)
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 #99E4E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.026
- Celeste #A8DADC ΔE 0.028
- Robin's Egg Blue #98EFF9 ΔE 0.034
- Light Blue #ADD8E6 ΔE 0.037
- Pale Turquoise #AFEEEE ΔE 0.038
- Robin Egg Blue #8AF1FE ΔE 0.040
- Robin's Egg #6DEDFD ΔE 0.044
- Light Teal #90E4C1 ΔE 0.052
Use #99E4E5 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.