#55FEF3
Closest named color: Bright Cyan (#41FDFE). oklch(90.9% 0.137 188.7), rgb(85, 254, 243).
Aa
Black text reads best on this color (16.85:1).
About this color
#55FEF3 is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 91%, its chroma 0.137 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Cyan (#41FDFE), ΔE 0.018 away. Black text reads best on it, at 16.85:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Bright Cyan (#41FDFE) |
| Black text | 16.85:1 |
| White text | 1.24:1 |
Values
| HEX | #55FEF3 |
| RGB | rgb(85, 254, 243) |
| HSL | hsl(176, 99%, 66%) |
| OKLCH | oklch(90.9% 0.137 188.7) |
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 #55FEF3 | 1.24:1 | Fails | Lc -13.7 | Not readable |
| Black text on #55FEF3 | 16.85:1 | AAA | Lc 91.8 | Preferred for body text |
| #55FEF3 text on white | 1.24:1 | Fails | Lc 11.8 | Not readable |
| #55FEF3 text on black | 16.85:1 | AAA | Lc -92.2 | 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
#E5FBF8
oklch(97.1% 0.023 186.9)
-
Step 100
100
#C4F6F1
oklch(93.7% 0.051 188.8)
-
Step 200
200 (this color)
#55FEF3
oklch(90.9% 0.137 188.7)
-
Step 300
300
#00DDD3
oklch(80.9% 0.14 189)
-
Step 400
400
#00B9B0
oklch(70.8% 0.123 188.6)
-
Step 500
500
#009E97
oklch(63.1% 0.109 189.2)
-
Step 600
600
#00857E
oklch(55.6% 0.097 188.3)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C48
oklch(37.6% 0.065 188.7)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#55FEF3 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) | #F0F1F3 | 0.145 |
| Deuteranopia (no green cones) | #D7DFF5 | 0.136 |
| Tritanopia (no blue cones) | #00FFFA | 0.020 |
| Achromatopsia (no color) | #E6E6E6 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55FEF3
#55FEF3
oklch(90.9% 0.137 188.7)
- #FFD4DA
#FFD4DA
oklch(90.8% 0.049 8.6)
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 #55FEF3, closest first.
No curated palette has a color within ΔE 0.04 of #55FEF3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Cyan #41FDFE ΔE 0.018
- Bright Turquoise #0FFEF9 ΔE 0.020
- Cyan #00FFFF ΔE 0.023
- Bright Aqua #0BF9EA ΔE 0.029
- Bright Light Blue #26F7FD ΔE 0.032
- Light Aqua #8CFFDB ΔE 0.046
- Aquamarine #7FFFD4 ΔE 0.047
- Light Turquoise #7EF4CC ΔE 0.052
Use #55FEF3 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.