#C5FAE9
Closest named color: Duck Egg Blue (#C3FBF4). oklch(94.4% 0.059 173.4), rgb(197, 250, 233).
Aa
Black text reads best on this color (18.22:1).
About this color
#C5FAE9 is a very light, muted teal or cyan. In OKLCH its lightness is 94%, its chroma 0.059 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.014 away. Black text reads best on it, at 18.22:1.
| Hue family | Teals and cyans |
| Lightness | very light (94%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 18.22:1 |
| White text | 1.15:1 |
Values
| HEX | #C5FAE9 |
| RGB | rgb(197, 250, 233) |
| HSL | hsl(161, 84%, 88%) |
| OKLCH | oklch(94.4% 0.059 173.4) |
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 #C5FAE9 | 1.15:1 | Fails | Lc -8.4 | Not readable |
| Black text on #C5FAE9 | 18.22:1 | AAA | Lc 96.4 | Preferred for body text |
| #C5FAE9 text on white | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #C5FAE9 text on black | 18.22:1 | AAA | Lc -97.3 | 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
#EFF8F5
oklch(97.2% 0.01 174.3)
-
Step 100
100 (this color)
#C5FAE9
oklch(94.4% 0.059 173.4)
-
Step 200
200
#BEE3D7
oklch(88.6% 0.042 173.7)
-
Step 300
300
#8DD1BC
oklch(80.9% 0.075 173)
-
Step 400
400
#36B99A
oklch(70.8% 0.121 173.3)
-
Step 500
500
#00A183
oklch(63.2% 0.121 173.2)
-
Step 600
600
#00876E
oklch(55.6% 0.106 173.6)
-
Step 700
700
#00725C
oklch(49.2% 0.094 173.1)
-
Step 800
800
#005D4B
oklch(42.7% 0.081 173.5)
-
Step 900
900
#004E3E
oklch(37.8% 0.073 172.9)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#C5FAE9 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) | #F6F3E8 | 0.061 |
| Deuteranopia (no green cones) | #ECECEA | 0.058 |
| Tritanopia (no blue cones) | #B8FBF5 | 0.019 |
| Achromatopsia (no color) | #EFEFEF | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5FAE9
#C5FAE9
oklch(94.4% 0.059 173.4)
- #FFE4EE
#FFE4EE
oklch(94.4% 0.032 353.3)
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 #C5FAE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.014
- Pale Aqua #B8FFEB ΔE 0.017
- Eggshell Blue #C4FFF7 ΔE 0.019
- Pale Cyan #B7FFFA ΔE 0.024
- Light Light Blue #CAFFFB ΔE 0.026
- Pale Blue #D0FEFE ΔE 0.032
- Ice #D6FFFA ΔE 0.033
- Pale Sky Blue #BDF6FE ΔE 0.034
Use #C5FAE9 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.