#CFF3DD
Closest named color: Duck Egg Blue (#C3FBF4). oklch(93.2% 0.048 158.5), rgb(207, 243, 221).
Aa
Black text reads best on this color (17.51:1).
About this color
#CFF3DD is a very light, muted green. In OKLCH its lightness is 93%, its chroma 0.048 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.031 away. Black text reads best on it, at 17.51:1.
| Hue family | Greens |
| Lightness | very light (93%) |
| Chroma | muted (0.048) |
| Temperature | in between |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.51:1 |
| White text | 1.19:1 |
Values
| HEX | #CFF3DD |
| RGB | rgb(207, 243, 221) |
| HSL | hsl(143, 60%, 88%) |
| OKLCH | oklch(93.2% 0.048 158.5) |
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 #CFF3DD | 1.19:1 | Fails | Lc -11.3 | Not readable |
| Black text on #CFF3DD | 17.51:1 | AAA | Lc 93.9 | Preferred for body text |
| #CFF3DD text on white | 1.19:1 | Fails | Lc 9.7 | Not readable |
| #CFF3DD text on black | 17.51:1 | AAA | Lc -94.5 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100 (this color)
#CFF3DD
oklch(93.2% 0.048 158.5)
-
Step 200
200
#C7E0D1
oklch(88.4% 0.033 159.3)
-
Step 300
300
#A0CDB2
oklch(80.9% 0.061 158.4)
-
Step 400
400
#68B38A
oklch(70.6% 0.097 158.7)
-
Step 500
500
#34A06C
oklch(63.1% 0.126 158.3)
-
Step 600
600
#008956
oklch(55.5% 0.129 158.6)
-
Step 700
700
#007348
oklch(49% 0.113 158.9)
-
Step 800
800
#005F3A
oklch(42.8% 0.099 158.5)
-
Step 900
900
#0B4E31
oklch(37.6% 0.081 158.8)
-
Step 950
950
#0B2E1D
oklch(27% 0.051 158.7)
#CFF3DD 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) | #F2EDDC | 0.045 |
| Deuteranopia (no green cones) | #ECE9DE | 0.043 |
| Tritanopia (no blue cones) | #C9F2EC | 0.022 |
| Achromatopsia (no color) | #EAEAEA | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CFF3DD
#CFF3DD
oklch(93.2% 0.048 158.5)
- #FFDDF4
#FFDDF4
oklch(93.2% 0.048 337.8)
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 #CFF3DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.031
- Pale Aqua #B8FFEB ΔE 0.036
- Eggshell Blue #C4FFF7 ΔE 0.038
- Light Light Blue #CAFFFB ΔE 0.042
- Ice #D6FFFA ΔE 0.044
- Pale Cyan #B7FFFA ΔE 0.044
- Pale Sky Blue #BDF6FE ΔE 0.045
- Pale Silver #D8E2DC ΔE 0.045
Use #CFF3DD 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.