#A4FBFF
Closest named color: Pale Cyan (#B7FFFA). oklch(93.4% 0.084 199.5), rgb(164, 251, 255).
Aa
Black text reads best on this color (17.82:1).
About this color
#A4FBFF is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 93%, its chroma 0.084 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Cyan (#B7FFFA), ΔE 0.024 away. Black text reads best on it, at 17.82:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Pale Cyan (#B7FFFA) |
| Black text | 17.82:1 |
| White text | 1.17:1 |
Values
| HEX | #A4FBFF |
| RGB | rgb(164, 251, 255) |
| HSL | hsl(183, 100%, 82%) |
| OKLCH | oklch(93.4% 0.084 199.5) |
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 #A4FBFF | 1.17:1 | Fails | Lc -10.0 | Not readable |
| Black text on #A4FBFF | 17.82:1 | AAA | Lc 95.1 | Preferred for body text |
| #A4FBFF text on white | 1.17:1 | Fails | Lc 8.5 | Not readable |
| #A4FBFF text on black | 17.82:1 | AAA | Lc -95.8 | 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
#EBF9F9
oklch(97.2% 0.015 196.9)
-
Step 100
100 (this color)
#A4FBFF
oklch(93.4% 0.084 199.5)
-
Step 200
200
#ABE6E8
oklch(88.6% 0.06 198.7)
-
Step 300
300
#5DD6DB
oklch(81% 0.108 199)
-
Step 400
400
#00B7BD
oklch(70.8% 0.12 199)
-
Step 500
500
#009DA2
oklch(63.2% 0.107 198.8)
-
Step 600
600
#008489
oklch(55.7% 0.095 199.5)
-
Step 700
700
#006F73
oklch(49.2% 0.084 199.2)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#004C4F
oklch(37.8% 0.064 199.4)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#A4FBFF 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) | #EFF3FF | 0.086 |
| Deuteranopia (no green cones) | #DFE7FF | 0.080 |
| Tritanopia (no blue cones) | #7FFFFC | 0.033 |
| Achromatopsia (no color) | #ECECEC | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4FBFF
#A4FBFF
oklch(93.4% 0.084 199.5)
- #FFE1E0
#FFE1E0
oklch(93.4% 0.033 20)
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 #A4FBFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Cyan #B7FFFA ΔE 0.024
- Pale Sky Blue #BDF6FE ΔE 0.027
- Diamond #B9F2FF ΔE 0.030
- Duck Egg Blue #C3FBF4 ΔE 0.034
- Pale Turquoise #AFEEEE ΔE 0.035
- Robin's Egg Blue #98EFF9 ΔE 0.035
- Pale Aqua #B8FFEB ΔE 0.037
- Eggshell Blue #C4FFF7 ΔE 0.037
Use #A4FBFF 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.