#CBEFF9
Closest named color: Diamond (#B9F2FF). oklch(93% 0.04 216.4), rgb(203, 239, 249).
Aa
Black text reads best on this color (17.25:1).
About this color
#CBEFF9 is a very light, muted teal or cyan. In OKLCH its lightness is 93%, its chroma 0.040 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.021 away. Black text reads best on it, at 17.25:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 17.25:1 |
| White text | 1.21:1 |
Values
| HEX | #CBEFF9 |
| RGB | rgb(203, 239, 249) |
| HSL | hsl(193, 79%, 89%) |
| OKLCH | oklch(93% 0.04 216.4) |
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 #CBEFF9 | 1.21:1 | Fails | Lc -12.4 | Not readable |
| Black text on #CBEFF9 | 17.25:1 | AAA | Lc 92.9 | Preferred for body text |
| #CBEFF9 text on white | 1.21:1 | Fails | Lc 10.7 | Not readable |
| #CBEFF9 text on black | 17.25:1 | AAA | Lc -93.4 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100 (this color)
#CBEFF9
oklch(93% 0.04 216.4)
-
Step 200
200
#C5DEE5
oklch(88.4% 0.028 216.4)
-
Step 300
300
#9CC9D6
oklch(80.8% 0.051 217.4)
-
Step 400
400
#60AEC1
oklch(70.8% 0.082 215.4)
-
Step 500
500
#2299B2
oklch(63.2% 0.105 216.1)
-
Step 600
600
#008198
oklch(55.6% 0.099 216.1)
-
Step 700
700
#006C80
oklch(49% 0.087 216.4)
-
Step 800
800
#00596A
oklch(42.8% 0.076 216.6)
-
Step 900
900
#004A58
oklch(37.7% 0.067 215.8)
-
Step 950
950
#062C34
oklch(27.2% 0.043 215.1)
#CBEFF9 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) | #E8ECFA | 0.036 |
| Deuteranopia (no green cones) | #E0E6F9 | 0.033 |
| Tritanopia (no blue cones) | #BEF3F2 | 0.022 |
| Achromatopsia (no color) | #E9E9E9 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CBEFF9
#CBEFF9
oklch(93% 0.04 216.4)
- #FFE0D7
#FFE0D7
oklch(93% 0.037 36.8)
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 #CBEFF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.021
- Pale Sky Blue #BDF6FE ΔE 0.022
- Duck Egg Blue #C3FBF4 ΔE 0.035
- Pale Turquoise #AFEEEE ΔE 0.037
- Pale Blue #D0FEFE ΔE 0.039
- Lavender #E6E6FA ΔE 0.039
- Light Light Blue #CAFFFB ΔE 0.041
- Pale Silver #D8E2DC ΔE 0.043
Use #CBEFF9 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.