#C9F3D9
Closest named color: Pale Aqua (#B8FFEB). oklch(92.7% 0.056 157.9), rgb(201, 243, 217).
Aa
Black text reads best on this color (17.30:1).
About this color
#C9F3D9 is a very light, muted green. In OKLCH its lightness is 93%, its chroma 0.056 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pale Aqua (#B8FFEB), ΔE 0.034 away. Black text reads best on it, at 17.30:1.
| Hue family | Greens |
| Lightness | very light (93%) |
| Chroma | muted (0.056) |
| Temperature | in between |
| Nearest name | Pale Aqua (#B8FFEB) |
| Black text | 17.30:1 |
| White text | 1.21:1 |
Values
| HEX | #C9F3D9 |
| RGB | rgb(201, 243, 217) |
| HSL | hsl(143, 64%, 87%) |
| OKLCH | oklch(92.7% 0.056 157.9) |
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 #C9F3D9 | 1.21:1 | Fails | Lc -12.2 | Not readable |
| Black text on #C9F3D9 | 17.30:1 | AAA | Lc 93.1 | Preferred for body text |
| #C9F3D9 text on white | 1.21:1 | Fails | Lc 10.5 | Not readable |
| #C9F3D9 text on black | 17.30:1 | AAA | Lc -93.6 | 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)
#C9F3D9
oklch(92.7% 0.056 157.9)
-
Step 200
200
#C4E2CF
oklch(88.6% 0.041 157.7)
-
Step 300
300
#9ACFAF
oklch(80.9% 0.071 157.9)
-
Step 400
400
#5BB685
oklch(70.7% 0.114 158)
-
Step 500
500
#05A366
oklch(63.1% 0.147 158)
-
Step 600
600
#008955
oklch(55.5% 0.129 158.2)
-
Step 700
700
#007447
oklch(49.2% 0.115 158)
-
Step 800
800
#005F39
oklch(42.8% 0.1 157.9)
-
Step 900
900
#004F2F
oklch(37.7% 0.088 158.2)
-
Step 950
950
#032F1B
oklch(27% 0.06 158.3)
#C9F3D9 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) | #F2ECD8 | 0.053 |
| Deuteranopia (no green cones) | #EBE7DA | 0.051 |
| Tritanopia (no blue cones) | #C2F2EB | 0.026 |
| Achromatopsia (no color) | #E9E9E9 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9F3D9
#C9F3D9
oklch(92.7% 0.056 157.9)
- #FFDAF3
#FFDAF3
oklch(92.6% 0.052 338)
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 #C9F3D9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Aqua #B8FFEB ΔE 0.034
- Duck Egg Blue #C3FBF4 ΔE 0.035
- Eggshell Blue #C4FFF7 ΔE 0.042
- Tea Green #CAE7B9 ΔE 0.043
- Pale Turquoise #AFEEEE ΔE 0.045
- Pale Cyan #B7FFFA ΔE 0.046
- Light Light Blue #CAFFFB ΔE 0.047
- Pale Sky Blue #BDF6FE ΔE 0.048
Use #C9F3D9 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.