#C4EFFE
Closest named color: Diamond (#B9F2FF). oklch(92.7% 0.049 221), rgb(196, 239, 254).
Aa
Black text reads best on this color (17.12:1).
About this color
#C4EFFE is a very light, muted teal or cyan. In OKLCH its lightness is 93%, its chroma 0.049 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.014 away. Black text reads best on it, at 17.12:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 17.12:1 |
| White text | 1.22:1 |
Values
| HEX | #C4EFFE |
| RGB | rgb(196, 239, 254) |
| HSL | hsl(196, 97%, 88%) |
| OKLCH | oklch(92.7% 0.049 221) |
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 #C4EFFE | 1.22:1 | Fails | Lc -13.0 | Not readable |
| Black text on #C4EFFE | 17.12:1 | AAA | Lc 92.4 | Preferred for body text |
| #C4EFFE text on white | 1.22:1 | Fails | Lc 11.1 | Not readable |
| #C4EFFE text on black | 17.12:1 | AAA | Lc -92.9 | 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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100 (this color)
#C4EFFE
oklch(92.7% 0.049 221)
-
Step 200
200
#C1DFEA
oklch(88.5% 0.035 221.9)
-
Step 300
300
#93CBDD
oklch(81% 0.063 219.8)
-
Step 400
400
#4DAFCD
oklch(70.8% 0.101 221.1)
-
Step 500
500
#0099BA
oklch(63.2% 0.115 220.3)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#00495B
oklch(37.6% 0.069 221.4)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#C4EFFE 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) | #E6ECFF | 0.042 |
| Deuteranopia (no green cones) | #DDE5FE | 0.038 |
| Tritanopia (no blue cones) | #B3F4F4 | 0.029 |
| Achromatopsia (no color) | #E8E8E8 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4EFFE
#C4EFFE
oklch(92.7% 0.049 221)
- #FFDFD3
#FFDFD3
oklch(92.7% 0.039 41.7)
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 #C4EFFE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.014
- Pale Sky Blue #BDF6FE ΔE 0.019
- Pale Turquoise #AFEEEE ΔE 0.034
- Duck Egg Blue #C3FBF4 ΔE 0.039
- Pale Blue #D0FEFE ΔE 0.044
- Lavender #E6E6FA ΔE 0.045
- Light Light Blue #CAFFFB ΔE 0.045
- Pale Cyan #B7FFFA ΔE 0.046
Use #C4EFFE 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.