#C9FAF1
Closest named color: Duck Egg Blue (#C3FBF4). oklch(94.9% 0.051 182.8), rgb(201, 250, 241).
Aa
Black text reads best on this color (18.42:1).
About this color
#C9FAF1 is a very light, muted teal or cyan. In OKLCH its lightness is 95%, its chroma 0.051 and its hue 183°. 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 18.42:1.
| Hue family | Teals and cyans |
| Lightness | very light (95%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 18.42:1 |
| White text | 1.13:1 |
Values
| HEX | #C9FAF1 |
| RGB | rgb(201, 250, 241) |
| HSL | hsl(169, 83%, 88%) |
| OKLCH | oklch(94.9% 0.051 182.8) |
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 #C9FAF1 | 1.13:1 | Fails | Lc -7.5 | Not readable |
| Black text on #C9FAF1 | 18.42:1 | AAA | Lc 97.2 | Preferred for body text |
| #C9FAF1 text on white | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #C9FAF1 text on black | 18.42:1 | AAA | Lc -98.1 | 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
#EFF7F6
oklch(97% 0.009 188.1)
-
Step 100
100 (this color)
#C9FAF1
oklch(94.9% 0.051 182.8)
-
Step 200
200
#C0E2DB
oklch(88.6% 0.037 181.6)
-
Step 300
300
#90CFC4
oklch(80.9% 0.066 182.5)
-
Step 400
400
#42B6A6
oklch(70.7% 0.106 182.4)
-
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
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#C9FAF1 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) | #F5F4F1 | 0.055 |
| Deuteranopia (no green cones) | #ECEDF2 | 0.052 |
| Tritanopia (no blue cones) | #BCFCF7 | 0.015 |
| Achromatopsia (no color) | #F0F0F0 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9FAF1
#C9FAF1
oklch(94.9% 0.051 182.8)
- #FFE7EC
#FFE7EC
oklch(94.9% 0.027 3.4)
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 #C9FAF1, 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 0.013
- Light Light Blue #CAFFFB ΔE 0.016
- Pale Blue #D0FEFE ΔE 0.021
- Pale Cyan #B7FFFA ΔE 0.022
- Ice #D6FFFA ΔE 0.023
- Really Light Blue #D4FFFF ΔE 0.025
- Pale Aqua #B8FFEB ΔE 0.025
Use #C9FAF1 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.