#C1EFFD
Closest named color: Diamond (#B9F2FF). oklch(92.4% 0.051 218.3), rgb(193, 239, 253).
Aa
Black text reads best on this color (17.03:1).
About this color
#C1EFFD is a very light, muted teal or cyan. In OKLCH its lightness is 92%, its chroma 0.051 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.011 away. Black text reads best on it, at 17.03:1.
| Hue family | Teals and cyans |
| Lightness | very light (92%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 17.03:1 |
| White text | 1.23:1 |
Values
| HEX | #C1EFFD |
| RGB | rgb(193, 239, 253) |
| HSL | hsl(194, 94%, 87%) |
| OKLCH | oklch(92.4% 0.051 218.3) |
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 #C1EFFD | 1.23:1 | Fails | Lc -13.3 | Not readable |
| Black text on #C1EFFD | 17.03:1 | AAA | Lc 92.1 | Preferred for body text |
| #C1EFFD text on white | 1.23:1 | Fails | Lc 11.5 | Not readable |
| #C1EFFD text on black | 17.03:1 | AAA | Lc -92.5 | 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
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100 (this color)
#C1EFFD
oklch(92.4% 0.051 218.3)
-
Step 200
200
#BFDFE9
oklch(88.4% 0.036 218.6)
-
Step 300
300
#90CBDD
oklch(80.8% 0.066 218.8)
-
Step 400
400
#44B0CC
oklch(70.7% 0.105 218.2)
-
Step 500
500
#0099B7
oklch(63.1% 0.114 218.3)
-
Step 600
600
#00819A
oklch(55.7% 0.1 217.7)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#002C36
oklch(27% 0.048 217.4)
#C1EFFD 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) | #E6ECFE | 0.045 |
| Deuteranopia (no green cones) | #DCE4FD | 0.041 |
| Tritanopia (no blue cones) | #AFF4F3 | 0.030 |
| Achromatopsia (no color) | #E7E7E7 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C1EFFD
#C1EFFD
oklch(92.4% 0.051 218.3)
- #FFDED3
#FFDED3
oklch(92.5% 0.04 39.3)
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 #C1EFFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.011
- Pale Sky Blue #BDF6FE ΔE 0.018
- Pale Turquoise #AFEEEE ΔE 0.031
- Duck Egg Blue #C3FBF4 ΔE 0.038
- Robin's Egg Blue #98EFF9 ΔE 0.044
- Pale Cyan #B7FFFA ΔE 0.044
- Pale Blue #D0FEFE ΔE 0.045
- Light Light Blue #CAFFFB ΔE 0.046
Use #C1EFFD 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.