#AAECFB
Closest named color: Robin's Egg Blue (#98EFF9). oklch(90.4% 0.069 213.3), rgb(170, 236, 251).
Aa
Black text reads best on this color (16.10:1).
About this color
#AAECFB is a very light, muted teal or cyan. In OKLCH its lightness is 90%, its chroma 0.069 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.020 away. Black text reads best on it, at 16.10:1.
| Hue family | Teals and cyans |
| Lightness | very light (90%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 16.10:1 |
| White text | 1.30:1 |
Values
| HEX | #AAECFB |
| RGB | rgb(170, 236, 251) |
| HSL | hsl(191, 91%, 83%) |
| OKLCH | oklch(90.4% 0.069 213.3) |
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 #AAECFB | 1.30:1 | Fails | Lc -17.3 | Dividers and decoration only |
| Black text on #AAECFB | 16.10:1 | AAA | Lc 88.6 | Fine for body text |
| #AAECFB text on white | 1.30:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #AAECFB text on black | 16.10:1 | AAA | Lc -88.8 | 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
#EDF8FA
oklch(97.1% 0.012 209.8)
-
Step 100
100
#D7EFF4
oklch(93.6% 0.026 211.6)
-
Step 200
200 (this color)
#AAECFB
oklch(90.4% 0.069 213.3)
-
Step 300
300
#78D0E3
oklch(80.9% 0.089 213.2)
-
Step 400
400
#00B4CF
oklch(70.8% 0.124 213.4)
-
Step 500
500
#009AB1
oklch(63% 0.11 213.1)
-
Step 600
600
#008295
oklch(55.7% 0.097 212.5)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#004A57
oklch(37.6% 0.066 214.5)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#AAECFB 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) | #E0E7FC | 0.064 |
| Deuteranopia (no green cones) | #D3DDFB | 0.059 |
| Tritanopia (no blue cones) | #8DF2F0 | 0.038 |
| Achromatopsia (no color) | #E1E1E1 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAECFB
#AAECFB
oklch(90.4% 0.069 213.3)
- #FFD4CA
#FFD4CA
oklch(90.4% 0.05 33.3)
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 #AAECFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.020
- Pale Turquoise #AFEEEE ΔE 0.021
- Diamond #B9F2FF ΔE 0.024
- Robin Egg Blue #8AF1FE ΔE 0.031
- Powder Blue #B0E0E6 ΔE 0.035
- Pale Sky Blue #BDF6FE ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.052
- Robin's Egg #6DEDFD ΔE 0.053
Use #AAECFB 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.