#C5F6F4
Closest named color: Duck Egg Blue (#C3FBF4). oklch(93.9% 0.05 193.2), rgb(197, 246, 244).
Aa
Black text reads best on this color (17.86:1).
About this color
#C5F6F4 is a very light, muted teal or cyan. In OKLCH its lightness is 94%, its chroma 0.050 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.013 away. Black text reads best on it, at 17.86:1.
| Hue family | Teals and cyans |
| Lightness | very light (94%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.86:1 |
| White text | 1.17:1 |
Values
| HEX | #C5F6F4 |
| RGB | rgb(197, 246, 244) |
| HSL | hsl(178, 73%, 87%) |
| OKLCH | oklch(93.9% 0.05 193.2) |
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 #C5F6F4 | 1.17:1 | Fails | Lc -9.9 | Not readable |
| Black text on #C5F6F4 | 17.86:1 | AAA | Lc 95.1 | Preferred for body text |
| #C5F6F4 text on white | 1.17:1 | Fails | Lc 8.4 | Not readable |
| #C5F6F4 text on black | 17.86:1 | AAA | Lc -95.9 | 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
#EFF7F7
oklch(97% 0.008 197)
-
Step 100
100 (this color)
#C5F6F4
oklch(93.9% 0.05 193.2)
-
Step 200
200
#BFE1E0
oklch(88.5% 0.036 194.3)
-
Step 300
300
#8FCECC
oklch(80.8% 0.064 193.5)
-
Step 400
400
#3FB5B2
oklch(70.8% 0.103 192.7)
-
Step 500
500
#009E9C
oklch(63.2% 0.108 193.2)
-
Step 600
600
#008483
oklch(55.5% 0.095 193.8)
-
Step 700
700
#006F6E
oklch(49% 0.084 193.7)
-
Step 800
800
#005B5A
oklch(42.6% 0.073 193.5)
-
Step 900
900
#004C4B
oklch(37.7% 0.064 193.2)
-
Step 950
950
#002D2D
oklch(26.9% 0.046 194.8)
#C5F6F4 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) | #F0F1F4 | 0.053 |
| Deuteranopia (no green cones) | #E6EAF5 | 0.049 |
| Tritanopia (no blue cones) | #B6F9F5 | 0.017 |
| Achromatopsia (no color) | #EDEDED | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5F6F4
#C5F6F4
oklch(93.9% 0.05 193.2)
- #FFE3E5
#FFE3E5
oklch(93.9% 0.031 12.8)
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 #C5F6F4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.013
- Pale Sky Blue #BDF6FE ΔE 0.015
- Eggshell Blue #C4FFF7 ΔE 0.023
- Light Light Blue #CAFFFB ΔE 0.024
- Diamond #B9F2FF ΔE 0.025
- Pale Cyan #B7FFFA ΔE 0.025
- Pale Blue #D0FEFE ΔE 0.027
- Really Light Blue #D4FFFF ΔE 0.032
Use #C5F6F4 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.