#C5FCF5
Closest named color: Duck Egg Blue (#C3FBF4). oklch(95.2% 0.056 186.7), rgb(197, 252, 245).
Aa
Black text reads best on this color (18.61:1).
About this color
#C5FCF5 is a very light, muted teal or cyan. In OKLCH its lightness is 95%, its chroma 0.056 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.004 away. Black text reads best on it, at 18.61:1.
| Hue family | Teals and cyans |
| Lightness | very light (95%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 18.61:1 |
| White text | 1.12:1 |
Values
| HEX | #C5FCF5 |
| RGB | rgb(197, 252, 245) |
| HSL | hsl(172, 90%, 88%) |
| OKLCH | oklch(95.2% 0.056 186.7) |
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 #C5FCF5 | 1.12:1 | Fails | Lc 0.0 | Not readable |
| Black text on #C5FCF5 | 18.61:1 | AAA | Lc 97.8 | Preferred for body text |
| #C5FCF5 text on white | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #C5FCF5 text on black | 18.61:1 | AAA | Lc -98.8 | 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
#EFF8F6
oklch(97.2% 0.01 181.4)
-
Step 100
100 (this color)
#C5FCF5
oklch(95.2% 0.056 186.7)
-
Step 200
200
#BCE2DD
oklch(88.4% 0.04 186.7)
-
Step 300
300
#89D0C8
oklch(80.8% 0.072 186.9)
-
Step 400
400
#28B8AC
oklch(70.8% 0.116 186.2)
-
Step 500
500
#009F94
oklch(63.2% 0.111 186.2)
-
Step 600
600
#00857C
oklch(55.5% 0.097 186.5)
-
Step 700
700
#007069
oklch(49.1% 0.086 187.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#C5FCF5 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) | #F6F6F5 | 0.060 |
| Deuteranopia (no green cones) | #EBEEF6 | 0.056 |
| Tritanopia (no blue cones) | #B5FFFA | 0.017 |
| Achromatopsia (no color) | #F1F1F1 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5FCF5
#C5FCF5
oklch(95.2% 0.056 186.7)
- #FFE9EC
#FFE9EC
oklch(95.2% 0.024 8.2)
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 #C5FCF5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.004
- Eggshell Blue #C4FFF7 ΔE 0.007
- Light Light Blue #CAFFFB ΔE 0.012
- Pale Cyan #B7FFFA ΔE 0.016
- Pale Blue #D0FEFE ΔE 0.019
- Ice #D6FFFA ΔE 0.023
- Pale Aqua #B8FFEB ΔE 0.023
- Really Light Blue #D4FFFF ΔE 0.024
Use #C5FCF5 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.