#C9FEF5
Closest named color: Eggshell Blue (#C4FFF7). oklch(95.8% 0.055 183.6), rgb(201, 254, 245).
Aa
Black text reads best on this color (18.97:1).
About this color
#C9FEF5 is a very light, muted teal or cyan. In OKLCH its lightness is 96%, its chroma 0.055 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Eggshell Blue (#C4FFF7), ΔE 0.006 away. Black text reads best on it, at 18.97:1.
| Hue family | Teals and cyans |
| Lightness | very light (96%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Eggshell Blue (#C4FFF7) |
| Black text | 18.97:1 |
| White text | 1.10:1 |
Values
| HEX | #C9FEF5 |
| RGB | rgb(201, 254, 245) |
| HSL | hsl(170, 96%, 89%) |
| OKLCH | oklch(95.8% 0.055 183.6) |
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 #C9FEF5 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| Black text on #C9FEF5 | 18.97:1 | AAA | Lc 99.1 | Preferred for body text |
| #C9FEF5 text on white | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #C9FEF5 text on black | 18.97:1 | AAA | Lc -100.2 | 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 50.
-
Step 50
50 (this color)
#C9FEF5
oklch(95.8% 0.055 183.6)
-
Step 100
100
#DCEFEB
oklch(93.7% 0.021 181.9)
-
Step 200
200
#BEE2DC
oklch(88.5% 0.039 184.3)
-
Step 300
300
#8CD0C5
oklch(80.9% 0.071 183.3)
-
Step 400
400
#33B7A8
oklch(70.6% 0.113 183.8)
-
Step 500
500
#009F91
oklch(63.1% 0.112 184)
-
Step 600
600
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
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
#002E29
oklch(27.1% 0.048 183.6)
#C9FEF5 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) | #F9F8F5 | 0.059 |
| Deuteranopia (no green cones) | #EFF0F6 | 0.056 |
| Tritanopia (no blue cones) | #BBFFFB | 0.016 |
| Achromatopsia (no color) | #F3F3F3 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9FEF5
#C9FEF5
oklch(95.8% 0.055 183.6)
- #FFECEF
#FFECEF
oklch(95.9% 0.021 6.6)
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 #C9FEF5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggshell Blue #C4FFF7 ΔE 0.006
- Light Light Blue #CAFFFB ΔE 0.008
- Duck Egg Blue #C3FBF4 ΔE 0.011
- Pale Blue #D0FEFE ΔE 0.016
- Ice #D6FFFA ΔE 0.017
- Pale Cyan #B7FFFA ΔE 0.019
- Really Light Blue #D4FFFF ΔE 0.020
- Very Pale Blue #D6FFFE ΔE 0.020
Use #C9FEF5 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.