#C4E9F5
Closest named color: Diamond (#B9F2FF). oklch(91.1% 0.042 219.4), rgb(196, 233, 245).
Aa
Black text reads best on this color (16.32:1).
About this color
#C4E9F5 is a very light, muted teal or cyan. In OKLCH its lightness is 91%, its chroma 0.042 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.024 away. Black text reads best on it, at 16.32:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.32:1 |
| White text | 1.28:1 |
Values
| HEX | #C4E9F5 |
| RGB | rgb(196, 233, 245) |
| HSL | hsl(195, 71%, 86%) |
| OKLCH | oklch(91.1% 0.042 219.4) |
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 #C4E9F5 | 1.28:1 | Fails | Lc -16.4 | Dividers and decoration only |
| Black text on #C4E9F5 | 16.32:1 | AAA | Lc 89.4 | Fine for body text |
| #C4E9F5 text on white | 1.28:1 | Fails | Lc 14.2 | Not readable |
| #C4E9F5 text on black | 16.32:1 | AAA | Lc -89.6 | Fine 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)
#C4E9F5
oklch(91.1% 0.042 219.4)
-
Step 200
200
#C4DEE7
oklch(88.4% 0.03 220.6)
-
Step 300
300
#9AC9D9
oklch(80.8% 0.054 220.8)
-
Step 400
400
#5DADC5
oklch(70.6% 0.086 219.7)
-
Step 500
500
#1798B7
oklch(63% 0.11 219.9)
-
Step 600
600
#00809B
oklch(55.5% 0.101 219.5)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#042B36
oklch(26.9% 0.046 221.4)
#C4E9F5 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) | #E1E6F6 | 0.036 |
| Deuteranopia (no green cones) | #D9E0F5 | 0.033 |
| Tritanopia (no blue cones) | #B6EDED | 0.024 |
| Achromatopsia (no color) | #E3E3E3 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4E9F5
#C4E9F5
oklch(91.1% 0.042 219.4)
- #FCD9CD
#FCD9CD
oklch(91.1% 0.042 39.8)
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 #C4E9F5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.024
- Pale Turquoise #AFEEEE ΔE 0.030
- Pale Sky Blue #BDF6FE ΔE 0.032
- Pale Silver #D8E2DC ΔE 0.038
- Powder Blue #B0E0E6 ΔE 0.039
- Platinum #E0E1DD ΔE 0.043
- Lavender #E6E6FA ΔE 0.044
- Gainsboro #DCDCDC ΔE 0.045
Use #C4E9F5 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.