#55FCE5
Closest named color: Bright Aqua (#0BF9EA). oklch(90% 0.14 182.1), rgb(85, 252, 229).
Aa
Black text reads best on this color (16.44:1).
About this color
#55FCE5 is a light, vivid teal or cyan. In OKLCH its lightness is 90%, its chroma 0.140 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Aqua (#0BF9EA), ΔE 0.024 away. Black text reads best on it, at 16.44:1.
| Hue family | Teals and cyans |
| Lightness | light (90%) |
| Chroma | vivid (0.140) |
| Temperature | cool |
| Nearest name | Bright Aqua (#0BF9EA) |
| Black text | 16.44:1 |
| White text | 1.27:1 |
Values
| HEX | #55FCE5 |
| RGB | rgb(85, 252, 229) |
| HSL | hsl(172, 97%, 66%) |
| OKLCH | oklch(90% 0.14 182.1) |
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 #55FCE5 | 1.27:1 | Fails | Lc -15.4 | Dividers and decoration only |
| Black text on #55FCE5 | 16.44:1 | AAA | Lc 90.2 | Preferred for body text |
| #55FCE5 text on white | 1.27:1 | Fails | Lc 13.4 | Not readable |
| #55FCE5 text on black | 16.44:1 | AAA | Lc -90.5 | Preferred 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
#E5FBF7
oklch(97.1% 0.024 183.8)
-
Step 100
100
#C5F6EC
oklch(93.6% 0.052 181.3)
-
Step 200
200 (this color)
#55FCE5
oklch(90% 0.14 182.1)
-
Step 300
300
#00DEC8
oklch(80.8% 0.144 182.4)
-
Step 400
400
#00BAA7
oklch(70.8% 0.127 182.2)
-
Step 500
500
#009F8F
oklch(63.1% 0.113 182.5)
-
Step 600
600
#008678
oklch(55.6% 0.1 182.2)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#55FCE5 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) | #F1EEE4 | 0.149 |
| Deuteranopia (no green cones) | #D9DCE7 | 0.141 |
| Tritanopia (no blue cones) | #00FFF5 | 0.025 |
| Achromatopsia (no color) | #E4E4E4 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55FCE5
#55FCE5
oklch(90% 0.14 182.1)
- #FFCFDB
#FFCFDB
oklch(89.9% 0.056 1.6)
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 #55FCE5, closest first.
No curated palette has a color within ΔE 0.04 of #55FCE5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Aqua #0BF9EA ΔE 0.024
- Bright Turquoise #0FFEF9 ΔE 0.029
- Bright Cyan #41FDFE ΔE 0.034
- Aquamarine #7FFFD4 ΔE 0.036
- Cyan #00FFFF ΔE 0.036
- Light Turquoise #7EF4CC ΔE 0.037
- Light Aqua #8CFFDB ΔE 0.040
- Bright Light Blue #26F7FD ΔE 0.042
Use #55FCE5 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.