#C9F9EA
Closest named color: Duck Egg Blue (#C3FBF4). oklch(94.5% 0.053 174.1), rgb(201, 249, 234).
Aa
Black text reads best on this color (18.22:1).
About this color
#C9F9EA is a very light, muted teal or cyan. In OKLCH its lightness is 94%, its chroma 0.053 and its hue 174°. 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 18.22:1.
| Hue family | Teals and cyans |
| Lightness | very light (94%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 18.22:1 |
| White text | 1.15:1 |
Values
| HEX | #C9F9EA |
| RGB | rgb(201, 249, 234) |
| HSL | hsl(161, 80%, 88%) |
| OKLCH | oklch(94.5% 0.053 174.1) |
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 #C9F9EA | 1.15:1 | Fails | Lc -8.4 | Not readable |
| Black text on #C9F9EA | 18.22:1 | AAA | Lc 96.4 | Preferred for body text |
| #C9F9EA text on white | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #C9F9EA 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
#F0F8F5
oklch(97.2% 0.009 171.8)
-
Step 100
100 (this color)
#C9F9EA
oklch(94.5% 0.053 174.1)
-
Step 200
200
#C1E2D7
oklch(88.6% 0.038 173.3)
-
Step 300
300
#92D0BD
oklch(81% 0.069 173.5)
-
Step 400
400
#47B79C
oklch(70.8% 0.109 174.3)
-
Step 500
500
#00A084
oklch(63% 0.119 174.3)
-
Step 600
600
#00876F
oklch(55.6% 0.106 174.3)
-
Step 700
700
#00715D
oklch(49% 0.093 174.7)
-
Step 800
800
#005D4C
oklch(42.7% 0.081 174.6)
-
Step 900
900
#004E3F
oklch(37.8% 0.072 174.1)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#C9F9EA 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) | #F6F3E9 | 0.056 |
| Deuteranopia (no green cones) | #ECECEB | 0.053 |
| Tritanopia (no blue cones) | #BEFAF4 | 0.016 |
| Achromatopsia (no color) | #EFEFEF | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9F9EA
#C9F9EA
oklch(94.5% 0.053 174.1)
- #FFE5EE
#FFE5EE
oklch(94.5% 0.031 354.7)
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 #C9F9EA, 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
- Eggshell Blue #C4FFF7 ΔE 0.019
- Pale Aqua #B8FFEB ΔE 0.023
- Light Light Blue #CAFFFB ΔE 0.024
- Pale Cyan #B7FFFA ΔE 0.026
- Pale Blue #D0FEFE ΔE 0.029
- Ice #D6FFFA ΔE 0.029
- Pale Sky Blue #BDF6FE ΔE 0.033
Use #C9F9EA 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.