#5EFEF3
Closest named color: Bright Cyan (#41FDFE). oklch(91.1% 0.133 188.6), rgb(94, 254, 243).
Aa
Black text reads best on this color (16.94:1).
About this color
#5EFEF3 is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 91%, its chroma 0.133 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Cyan (#41FDFE), ΔE 0.020 away. Black text reads best on it, at 16.94:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Bright Cyan (#41FDFE) |
| Black text | 16.94:1 |
| White text | 1.23:1 |
Values
| HEX | #5EFEF3 |
| RGB | rgb(94, 254, 243) |
| HSL | hsl(176, 99%, 68%) |
| OKLCH | oklch(91.1% 0.133 188.6) |
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 #5EFEF3 | 1.23:1 | Fails | Lc -13.3 | Not readable |
| Black text on #5EFEF3 | 16.94:1 | AAA | Lc 92.1 | Preferred for body text |
| #5EFEF3 text on white | 1.23:1 | Fails | Lc 11.5 | Not readable |
| #5EFEF3 text on black | 16.94:1 | AAA | Lc -92.5 | 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 100.
-
Step 50
50
#E5FBF8
oklch(97.1% 0.023 186.9)
-
Step 100
100 (this color)
#5EFEF3
oklch(91.1% 0.133 188.6)
-
Step 200
200
#8AEEE5
oklch(88.5% 0.095 188.1)
-
Step 300
300
#00DDD2
oklch(80.9% 0.14 188.4)
-
Step 400
400
#00B9B0
oklch(70.8% 0.123 188.6)
-
Step 500
500
#009E96
oklch(63% 0.109 188.5)
-
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)
#5EFEF3 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) | #F1F1F3 | 0.142 |
| Deuteranopia (no green cones) | #D8DFF5 | 0.133 |
| Tritanopia (no blue cones) | #00FFFA | 0.025 |
| Achromatopsia (no color) | #E7E7E7 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5EFEF3
#5EFEF3
oklch(91.1% 0.133 188.6)
- #FFD5DB
#FFD5DB
oklch(91% 0.048 8.4)
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 #5EFEF3, closest first.
No curated palette has a color within ΔE 0.04 of #5EFEF3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Cyan #41FDFE ΔE 0.020
- Bright Turquoise #0FFEF9 ΔE 0.024
- Cyan #00FFFF ΔE 0.027
- Bright Aqua #0BF9EA ΔE 0.033
- Bright Light Blue #26F7FD ΔE 0.035
- Light Aqua #8CFFDB ΔE 0.043
- Aquamarine #7FFFD4 ΔE 0.045
- Light Turquoise #7EF4CC ΔE 0.051
Use #5EFEF3 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.