#C3F9EF
Closest named color: Duck Egg Blue (#C3FBF4). oklch(94.2% 0.056 182.5), rgb(195, 249, 239).
Aa
Black text reads best on this color (18.11:1).
About this color
#C3F9EF is a very light, muted teal or cyan. In OKLCH its lightness is 94%, its chroma 0.056 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.007 away. Black text reads best on it, at 18.11:1.
| Hue family | Teals and cyans |
| Lightness | very light (94%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 18.11:1 |
| White text | 1.15:1 |
Values
| HEX | #C3F9EF |
| RGB | rgb(195, 249, 239) |
| HSL | hsl(169, 82%, 87%) |
| OKLCH | oklch(94.2% 0.056 182.5) |
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 #C3F9EF | 1.15:1 | Fails | Lc -8.8 | Not readable |
| Black text on #C3F9EF | 18.11:1 | AAA | Lc 96.0 | Preferred for body text |
| #C3F9EF text on white | 1.15:1 | Fails | Lc 7.5 | Not readable |
| #C3F9EF text on black | 18.11:1 | AAA | Lc -96.9 | 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
#EFF8F6
oklch(97.2% 0.01 181.4)
-
Step 100
100 (this color)
#C3F9EF
oklch(94.2% 0.056 182.5)
-
Step 200
200
#BDE2DB
oklch(88.4% 0.04 182.6)
-
Step 300
300
#8BD0C4
oklch(80.8% 0.072 182.3)
-
Step 400
400
#2EB8A7
oklch(70.8% 0.116 182.6)
-
Step 500
500
#009F8F
oklch(63.1% 0.113 182.5)
-
Step 600
600
#008678
oklch(55.6% 0.1 182.2)
-
Step 700
700
#007165
oklch(49.2% 0.088 182.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#C3F9EF 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) | #F4F3EF | 0.060 |
| Deuteranopia (no green cones) | #EAEBF0 | 0.057 |
| Tritanopia (no blue cones) | #B4FBF6 | 0.017 |
| Achromatopsia (no color) | #EEEEEE | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C3F9EF
#C3F9EF
oklch(94.2% 0.056 182.5)
- #FFE4EA
#FFE4EA
oklch(94.2% 0.031 2.6)
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 #C3F9EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.007
- Eggshell Blue #C4FFF7 ΔE 0.016
- Pale Cyan #B7FFFA ΔE 0.020
- Pale Aqua #B8FFEB ΔE 0.021
- Light Light Blue #CAFFFB ΔE 0.022
- Pale Sky Blue #BDF6FE ΔE 0.025
- Pale Blue #D0FEFE ΔE 0.028
- Ice #D6FFFA ΔE 0.031
Use #C3F9EF 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.