#CFF9E1
Closest named color: Duck Egg Blue (#C3FBF4). oklch(94.6% 0.054 160.1), rgb(207, 249, 225).
Aa
Black text reads best on this color (18.29:1).
About this color
#CFF9E1 is a very light, muted green. In OKLCH its lightness is 95%, its chroma 0.054 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.026 away. Black text reads best on it, at 18.29:1.
| Hue family | Greens |
| Lightness | very light (95%) |
| Chroma | muted (0.054) |
| Temperature | in between |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 18.29:1 |
| White text | 1.14:1 |
Values
| HEX | #CFF9E1 |
| RGB | rgb(207, 249, 225) |
| HSL | hsl(146, 78%, 89%) |
| OKLCH | oklch(94.6% 0.054 160.1) |
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 #CFF9E1 | 1.14:1 | Fails | Lc -8.1 | Not readable |
| Black text on #CFF9E1 | 18.29:1 | AAA | Lc 96.7 | Preferred for body text |
| #CFF9E1 text on white | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #CFF9E1 text on black | 18.29:1 | AAA | Lc -97.5 | 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
#F0F7F3
oklch(97% 0.009 161.4)
-
Step 100
100 (this color)
#CFF9E1
oklch(94.6% 0.054 160.1)
-
Step 200
200
#C4E1D1
oklch(88.4% 0.038 161.4)
-
Step 300
300
#9ACFB1
oklch(80.9% 0.07 159.6)
-
Step 400
400
#5BB689
oklch(70.8% 0.111 160.1)
-
Step 500
500
#04A36B
oklch(63.2% 0.142 160)
-
Step 600
600
#008959
oklch(55.6% 0.126 160)
-
Step 700
700
#00734A
oklch(49% 0.111 160)
-
Step 800
800
#005F3C
oklch(42.8% 0.097 159.8)
-
Step 900
900
#004F32
oklch(37.7% 0.085 160.4)
-
Step 950
950
#022F1C
oklch(27% 0.059 159.8)
#CFF9E1 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) | #F8F2E0 | 0.053 |
| Deuteranopia (no green cones) | #F0EDE2 | 0.050 |
| Tritanopia (no blue cones) | #C8F9F2 | 0.023 |
| Achromatopsia (no color) | #EFEFEF | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CFF9E1
#CFF9E1
oklch(94.6% 0.054 160.1)
- #FFE4F5
#FFE4F5
oklch(94.6% 0.037 339.7)
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 #CFF9E1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.026
- Pale Aqua #B8FFEB ΔE 0.027
- Eggshell Blue #C4FFF7 ΔE 0.029
- Light Light Blue #CAFFFB ΔE 0.033
- Ice #D6FFFA ΔE 0.035
- Pale Cyan #B7FFFA ΔE 0.037
- Pale Blue #D0FEFE ΔE 0.037
- Very Pale Blue #D6FFFE ΔE 0.040
Use #CFF9E1 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.