#DEFEFF
Closest named color: Light Cyan (#E0FFFF). oklch(97.4% 0.033 198.9), rgb(222, 254, 255).
Aa
Black text reads best on this color (19.72:1).
About this color
#DEFEFF is a very light, muted teal or cyan. In OKLCH its lightness is 97%, its chroma 0.033 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cyan (#E0FFFF), ΔE 0.004 away. Black text reads best on it, at 19.72:1.
| Hue family | Teals and cyans |
| Lightness | very light (97%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Light Cyan (#E0FFFF) |
| Black text | 19.72:1 |
| White text | 1.06:1 |
Values
| HEX | #DEFEFF |
| RGB | rgb(222, 254, 255) |
| HSL | hsl(182, 100%, 94%) |
| OKLCH | oklch(97.4% 0.033 198.9) |
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 #DEFEFF | 1.06:1 | Fails | Lc 0.0 | Not readable |
| Black text on #DEFEFF | 19.72:1 | AAA | Lc 101.7 | Preferred for body text |
| #DEFEFF text on white | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #DEFEFF text on black | 19.72:1 | AAA | Lc -103.1 | 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 50.
-
Step 50
50 (this color)
#DEFEFF
oklch(97.4% 0.033 198.9)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C8DEDF
oklch(88.5% 0.024 200.1)
-
Step 300
300
#A1C9CB
oklch(80.8% 0.042 200.1)
-
Step 400
400
#6BAEB0
oklch(70.7% 0.068 198.2)
-
Step 500
500
#3C999D
oklch(63% 0.087 199.2)
-
Step 600
600
#008488
oklch(55.7% 0.095 198.5)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#114B4D
oklch(37.8% 0.057 198.4)
-
Step 950
950
#0D2C2D
oklch(27.1% 0.036 198.2)
#DEFEFF 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) | #F9FBFF | 0.034 |
| Deuteranopia (no green cones) | #F3F6FF | 0.032 |
| Tritanopia (no blue cones) | #D5FFFE | 0.011 |
| Achromatopsia (no color) | #F8F8F8 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DEFEFF
#DEFEFF
oklch(97.4% 0.033 198.9)
- #FFF3F3
#FFF3F3
oklch(97.4% 0.013 17.4)
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 #DEFEFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cyan #E0FFFF ΔE 0.004
- Ice Blue #D7FFFE ΔE 0.009
- Very Pale Blue #D6FFFE ΔE 0.010
- Very Light Blue #D5FFFF ΔE 0.011
- Really Light Blue #D4FFFF ΔE 0.012
- Ice #D6FFFA ΔE 0.013
- Pale Blue #D0FEFE ΔE 0.017
- Azure #F0FFFF ΔE 0.023
Use #DEFEFF 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.