#C9FFF4
Closest named color: Eggshell Blue (#C4FFF7). oklch(96% 0.057 181.2), rgb(201, 255, 244).
Aa
Black text reads best on this color (19.09:1).
About this color
#C9FFF4 is a very light, muted teal or cyan. In OKLCH its lightness is 96%, its chroma 0.057 and its hue 181°. 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 19.09:1.
| Hue family | Teals and cyans |
| Lightness | very light (96%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Eggshell Blue (#C4FFF7) |
| Black text | 19.09:1 |
| White text | 1.09:1 |
Values
| HEX | #C9FFF4 |
| RGB | rgb(201, 255, 244) |
| HSL | hsl(168, 100%, 89%) |
| OKLCH | oklch(96% 0.057 181.2) |
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 #C9FFF4 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| Black text on #C9FFF4 | 19.09:1 | AAA | Lc 99.5 | Preferred for body text |
| #C9FFF4 text on white | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #C9FFF4 text on black | 19.09:1 | AAA | Lc -100.7 | 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)
#C9FFF4
oklch(96% 0.057 181.2)
-
Step 100
100
#DCEFEB
oklch(93.7% 0.021 181.9)
-
Step 200
200
#BDE2DB
oklch(88.4% 0.04 182.6)
-
Step 300
300
#8BD0C3
oklch(80.8% 0.072 181.3)
-
Step 400
400
#2FB8A5
oklch(70.7% 0.116 181.2)
-
Step 500
500
#009F8E
oklch(63% 0.113 181.8)
-
Step 600
600
#008677
oklch(55.6% 0.1 181.4)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#005C51
oklch(42.6% 0.077 181.1)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#C9FFF4 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) | #FAF8F4 | 0.061 |
| Deuteranopia (no green cones) | #F0F1F5 | 0.057 |
| Tritanopia (no blue cones) | #BBFFFB | 0.017 |
| Achromatopsia (no color) | #F4F4F4 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9FFF4
#C9FFF4
oklch(96% 0.057 181.2)
- #FFECF1
#FFECF1
oklch(96% 0.022 359.6)
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 #C9FFF4, 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 0.010
- Duck Egg Blue #C3FBF4 ΔE 0.013
- Pale Blue #D0FEFE ΔE 0.017
- Ice #D6FFFA ΔE 0.018
- Pale Cyan #B7FFFA ΔE 0.020
- Really Light Blue #D4FFFF ΔE 0.021
- Very Pale Blue #D6FFFE ΔE 0.022
Use #C9FFF4 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.