#C5F8E6
Closest named color: Duck Egg Blue (#C3FBF4). oklch(93.9% 0.057 171.5), rgb(197, 248, 230).
Aa
Black text reads best on this color (17.94:1).
About this color
#C5F8E6 is a very light, muted teal or cyan. In OKLCH its lightness is 94%, its chroma 0.057 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.018 away. Black text reads best on it, at 17.94:1.
| Hue family | Teals and cyans |
| Lightness | very light (94%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.94:1 |
| White text | 1.17:1 |
Values
| HEX | #C5F8E6 |
| RGB | rgb(197, 248, 230) |
| HSL | hsl(159, 78%, 87%) |
| OKLCH | oklch(93.9% 0.057 171.5) |
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 #C5F8E6 | 1.17:1 | Fails | Lc -9.5 | Not readable |
| Black text on #C5F8E6 | 17.94:1 | AAA | Lc 95.4 | Preferred for body text |
| #C5F8E6 text on white | 1.17:1 | Fails | Lc 8.1 | Not readable |
| #C5F8E6 text on black | 17.94:1 | AAA | Lc -96.2 | 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 100.
-
Step 50
50
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100 (this color)
#C5F8E6
oklch(93.9% 0.057 171.5)
-
Step 200
200
#BFE2D6
oklch(88.4% 0.04 172.6)
-
Step 300
300
#8FD1BB
oklch(81% 0.074 171.5)
-
Step 400
400
#3EB897
oklch(70.7% 0.118 171.3)
-
Step 500
500
#00A180
oklch(63.1% 0.123 171.4)
-
Step 600
600
#00876B
oklch(55.5% 0.108 171.4)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#002F23
oklch(27.2% 0.053 170.5)
#C5F8E6 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) | #F5F1E5 | 0.060 |
| Deuteranopia (no green cones) | #EBEAE7 | 0.057 |
| Tritanopia (no blue cones) | #B9F9F3 | 0.020 |
| Achromatopsia (no color) | #EDEDED | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5F8E6
#C5F8E6
oklch(93.9% 0.057 171.5)
- #FFE2ED
#FFE2ED
oklch(94% 0.035 352.9)
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 #C5F8E6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.018
- Pale Aqua #B8FFEB ΔE 0.021
- Eggshell Blue #C4FFF7 ΔE 0.024
- Pale Cyan #B7FFFA ΔE 0.028
- Light Light Blue #CAFFFB ΔE 0.030
- Pale Sky Blue #BDF6FE ΔE 0.035
- Pale Blue #D0FEFE ΔE 0.036
- Ice #D6FFFA ΔE 0.037
Use #C5F8E6 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.