#C9F4E2
Closest named color: Duck Egg Blue (#C3FBF4). oklch(93.2% 0.051 167.9), rgb(201, 244, 226).
Aa
Black text reads best on this color (17.52:1).
About this color
#C9F4E2 is a very light, muted green. In OKLCH its lightness is 93%, its chroma 0.051 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.025 away. Black text reads best on it, at 17.52:1.
| Hue family | Greens |
| Lightness | very light (93%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.52:1 |
| White text | 1.19:1 |
Values
| HEX | #C9F4E2 |
| RGB | rgb(201, 244, 226) |
| HSL | hsl(155, 66%, 87%) |
| OKLCH | oklch(93.2% 0.051 167.9) |
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 #C9F4E2 | 1.19:1 | Fails | Lc -11.3 | Not readable |
| Black text on #C9F4E2 | 17.52:1 | AAA | Lc 93.9 | Preferred for body text |
| #C9F4E2 text on white | 1.19:1 | Fails | Lc 9.7 | Not readable |
| #C9F4E2 text on black | 17.52:1 | 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
#F0F7F4
oklch(97% 0.008 168.8)
-
Step 100
100 (this color)
#C9F4E2
oklch(93.2% 0.051 167.9)
-
Step 200
200
#C3E1D4
oklch(88.4% 0.036 167.5)
-
Step 300
300
#98CFB9
oklch(81% 0.065 168.1)
-
Step 400
400
#56B594
oklch(70.6% 0.104 168.1)
-
Step 500
500
#00A17A
oklch(63% 0.128 168)
-
Step 600
600
#008866
oklch(55.6% 0.113 167.6)
-
Step 700
700
#007256
oklch(49% 0.099 168.4)
-
Step 800
800
#005E46
oklch(42.8% 0.087 168)
-
Step 900
900
#004E3A
oklch(37.7% 0.076 168.5)
-
Step 950
950
#002F21
oklch(27.1% 0.055 167.3)
#C9F4E2 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) | #F2EEE1 | 0.052 |
| Deuteranopia (no green cones) | #EAE8E3 | 0.050 |
| Tritanopia (no blue cones) | #C0F4EF | 0.019 |
| Achromatopsia (no color) | #EAEAEA | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9F4E2
#C9F4E2
oklch(93.2% 0.051 167.9)
- #FFDEED
#FFDEED
oklch(93.2% 0.041 348.7)
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 #C9F4E2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.025
- Pale Aqua #B8FFEB ΔE 0.030
- Eggshell Blue #C4FFF7 ΔE 0.033
- Pale Cyan #B7FFFA ΔE 0.037
- Light Light Blue #CAFFFB ΔE 0.037
- Pale Sky Blue #BDF6FE ΔE 0.037
- Pale Turquoise #AFEEEE ΔE 0.039
- Pale Blue #D0FEFE ΔE 0.041
Use #C9F4E2 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.