#D1F9EF
Closest named color: Duck Egg Blue (#C3FBF4). oklch(95.1% 0.043 178.5), rgb(209, 249, 239).
Aa
Black text reads best on this color (18.50:1).
About this color
#D1F9EF is a very light, muted teal or cyan. In OKLCH its lightness is 95%, its chroma 0.043 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.016 away. Black text reads best on it, at 18.50:1.
| Hue family | Teals and cyans |
| Lightness | very light (95%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 18.50:1 |
| White text | 1.13:1 |
Values
| HEX | #D1F9EF |
| RGB | rgb(209, 249, 239) |
| HSL | hsl(165, 77%, 90%) |
| OKLCH | oklch(95.1% 0.043 178.5) |
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 #D1F9EF | 1.13:1 | Fails | Lc 0.0 | Not readable |
| Black text on #D1F9EF | 18.50:1 | AAA | Lc 97.4 | Preferred for body text |
| #D1F9EF text on white | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #D1F9EF text on black | 18.50:1 | AAA | Lc -98.4 | 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
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100 (this color)
#D1F9EF
oklch(95.1% 0.043 178.5)
-
Step 200
200
#C4E0D9
oklch(88.4% 0.031 178.8)
-
Step 300
300
#9ACDC1
oklch(80.9% 0.056 178.7)
-
Step 400
400
#5CB3A1
oklch(70.7% 0.089 178.4)
-
Step 500
500
#0D9F8A
oklch(63% 0.113 178.7)
-
Step 600
600
#008674
oklch(55.5% 0.101 178.9)
-
Step 700
700
#007161
oklch(49.1% 0.09 178.4)
-
Step 800
800
#005D4F
oklch(42.8% 0.079 177.8)
-
Step 900
900
#004D42
oklch(37.6% 0.069 179)
-
Step 950
950
#032E27
oklch(27.1% 0.047 179)
#D1F9EF 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) | #F6F4EF | 0.047 |
| Deuteranopia (no green cones) | #EEEEF0 | 0.044 |
| Tritanopia (no blue cones) | #C7FAF6 | 0.013 |
| Achromatopsia (no color) | #F0F0F0 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D1F9EF
#D1F9EF
oklch(95.1% 0.043 178.5)
- #FFE8EE
#FFE8EE
oklch(95.1% 0.026 359.9)
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 #D1F9EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.016
- Light Light Blue #CAFFFB ΔE 0.019
- Eggshell Blue #C4FFF7 ΔE 0.019
- Ice #D6FFFA ΔE 0.020
- Pale Blue #D0FEFE ΔE 0.020
- Very Pale Blue #D6FFFE ΔE 0.023
- Really Light Blue #D4FFFF ΔE 0.023
- Very Light Blue #D5FFFF ΔE 0.024
Use #D1F9EF 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.