#C9FFFF
Closest named color: Light Light Blue (#CAFFFB). oklch(96.3% 0.054 196.3), rgb(201, 255, 255).
Aa
Black text reads best on this color (19.23:1).
About this color
#C9FFFF is a very light, muted teal or cyan. In OKLCH its lightness is 96%, its chroma 0.054 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Light Light Blue (#CAFFFB), ΔE 0.005 away. Black text reads best on it, at 19.23:1.
| Hue family | Teals and cyans |
| Lightness | very light (96%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Light Light Blue (#CAFFFB) |
| Black text | 19.23:1 |
| White text | 1.09:1 |
Values
| HEX | #C9FFFF |
| RGB | rgb(201, 255, 255) |
| HSL | hsl(180, 100%, 89%) |
| OKLCH | oklch(96.3% 0.054 196.3) |
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 #C9FFFF | 1.09:1 | Fails | Lc 0.0 | Not readable |
| Black text on #C9FFFF | 19.23:1 | AAA | Lc 100.0 | Preferred for body text |
| #C9FFFF text on white | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #C9FFFF text on black | 19.23:1 | AAA | Lc -101.2 | 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)
#C9FFFF
oklch(96.3% 0.054 196.3)
-
Step 100
100
#DBEEEE
oklch(93.5% 0.02 196.8)
-
Step 200
200
#BCE2E2
oklch(88.6% 0.04 196.5)
-
Step 300
300
#89CFCF
oklch(80.8% 0.07 195.9)
-
Step 400
400
#2AB6B8
oklch(70.8% 0.112 196.4)
-
Step 500
500
#009D9F
oklch(63.1% 0.107 196.4)
-
Step 600
600
#008486
oklch(55.6% 0.095 196.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4D
oklch(37.8% 0.064 196.3)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#C9FFFF 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) | #F8FAFF | 0.057 |
| Deuteranopia (no green cones) | #EDF1FF | 0.054 |
| Tritanopia (no blue cones) | #B8FFFF | 0.018 |
| Achromatopsia (no color) | #F5F5F5 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9FFFF
#C9FFFF
oklch(96.3% 0.054 196.3)
- #FFEEEF
#FFEEEF
oklch(96.3% 0.018 13.4)
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 #C9FFFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Light Blue #CAFFFB ΔE 0.005
- Pale Blue #D0FEFE ΔE 0.008
- Really Light Blue #D4FFFF ΔE 0.013
- Eggshell Blue #C4FFF7 ΔE 0.013
- Very Light Blue #D5FFFF ΔE 0.014
- Very Pale Blue #D6FFFE ΔE 0.015
- Ice #D6FFFA ΔE 0.016
- Ice Blue #D7FFFE ΔE 0.016
Use #C9FFFF 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.