#A1EFF1
Closest named color: Robin's Egg Blue (#98EFF9). oklch(90.2% 0.076 197.9), rgb(161, 239, 241).
Aa
Black text reads best on this color (16.13:1).
About this color
#A1EFF1 is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 90%, its chroma 0.076 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.013 away. Black text reads best on it, at 16.13:1.
| Hue family | Teals and cyans |
| Lightness | very light (90%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 16.13:1 |
| White text | 1.30:1 |
Values
| HEX | #A1EFF1 |
| RGB | rgb(161, 239, 241) |
| HSL | hsl(182, 74%, 79%) |
| OKLCH | oklch(90.2% 0.076 197.9) |
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 #A1EFF1 | 1.30:1 | Fails | Lc -17.1 | Dividers and decoration only |
| Black text on #A1EFF1 | 16.13:1 | AAA | Lc 88.8 | Fine for body text |
| #A1EFF1 text on white | 1.30:1 | Fails | Lc 14.9 | Not readable |
| #A1EFF1 text on black | 16.13:1 | AAA | Lc -88.9 | Fine 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 200.
-
Step 50
50
#ECF8F9
oklch(97% 0.013 202.9)
-
Step 100
100
#D5F0F1
oklch(93.6% 0.028 199.4)
-
Step 200
200 (this color)
#A1EFF1
oklch(90.2% 0.076 197.9)
-
Step 300
300
#6AD4D7
oklch(80.8% 0.098 197.9)
-
Step 400
400
#00B7BB
oklch(70.7% 0.12 197.6)
-
Step 500
500
#009DA1
oklch(63.2% 0.107 198)
-
Step 600
600
#008487
oklch(55.6% 0.095 197.6)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#A1EFF1 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) | #E5E8F1 | 0.079 |
| Deuteranopia (no green cones) | #D6DDF2 | 0.074 |
| Tritanopia (no blue cones) | #82F4EF | 0.030 |
| Achromatopsia (no color) | #E1E1E1 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1EFF1
#A1EFF1
oklch(90.2% 0.076 197.9)
- #FFD2D2
#FFD2D2
oklch(90.2% 0.051 18.1)
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 #A1EFF1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.013
- Pale Turquoise #AFEEEE ΔE 0.014
- Robin Egg Blue #8AF1FE ΔE 0.025
- Diamond #B9F2FF ΔE 0.034
- Powder Blue #B0E0E6 ΔE 0.039
- Pale Sky Blue #BDF6FE ΔE 0.040
- Robin's Egg #6DEDFD ΔE 0.047
- Pale Cyan #B7FFFA ΔE 0.050
Use #A1EFF1 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.