#C5F3E7
Closest named color: Duck Egg Blue (#C3FBF4). oklch(92.9% 0.05 177.5), rgb(197, 243, 231).
Aa
Black text reads best on this color (17.34:1).
About this color
#C5F3E7 is a very light, muted teal or cyan. In OKLCH its lightness is 93%, its chroma 0.050 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.022 away. Black text reads best on it, at 17.34:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.34:1 |
| White text | 1.21:1 |
Values
| HEX | #C5F3E7 |
| RGB | rgb(197, 243, 231) |
| HSL | hsl(164, 66%, 86%) |
| OKLCH | oklch(92.9% 0.05 177.5) |
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 #C5F3E7 | 1.21:1 | Fails | Lc -12.0 | Not readable |
| Black text on #C5F3E7 | 17.34:1 | AAA | Lc 93.2 | Preferred for body text |
| #C5F3E7 text on white | 1.21:1 | Fails | Lc 10.3 | Not readable |
| #C5F3E7 text on black | 17.34:1 | AAA | Lc -93.8 | 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
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100 (this color)
#C5F3E7
oklch(92.9% 0.05 177.5)
-
Step 200
200
#C1E1D9
oklch(88.4% 0.035 178.7)
-
Step 300
300
#94CFC0
oklch(81% 0.064 177.1)
-
Step 400
400
#4CB5A0
oklch(70.6% 0.102 177.9)
-
Step 500
500
#00A089
oklch(63.1% 0.116 177.6)
-
Step 600
600
#008673
oklch(55.5% 0.102 178.1)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4F
oklch(42.8% 0.079 177.8)
-
Step 900
900
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950
#002E26
oklch(26.9% 0.05 177.5)
#C5F3E7 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) | #EFEDE7 | 0.053 |
| Deuteranopia (no green cones) | #E6E7E8 | 0.049 |
| Tritanopia (no blue cones) | #BAF4EF | 0.015 |
| Achromatopsia (no color) | #E9E9E9 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5F3E7
#C5F3E7
oklch(92.9% 0.05 177.5)
- #FFDDE7
#FFDDE7
oklch(92.9% 0.04 358.2)
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 #C5F3E7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.022
- Pale Sky Blue #BDF6FE ΔE 0.030
- Pale Turquoise #AFEEEE ΔE 0.031
- Pale Aqua #B8FFEB ΔE 0.032
- Eggshell Blue #C4FFF7 ΔE 0.032
- Pale Cyan #B7FFFA ΔE 0.034
- Diamond #B9F2FF ΔE 0.035
- Light Light Blue #CAFFFB ΔE 0.036
Use #C5F3E7 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.