#91F9E1
Closest named color: Light Aqua (#8CFFDB). oklch(91.2% 0.104 177.3), rgb(145, 249, 225).
Aa
Black text reads best on this color (16.84:1).
About this color
#91F9E1 is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 91%, its chroma 0.104 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Light Aqua (#8CFFDB), ΔE 0.021 away. Black text reads best on it, at 16.84:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Light Aqua (#8CFFDB) |
| Black text | 16.84:1 |
| White text | 1.24:1 |
Values
| HEX | #91F9E1 |
| RGB | rgb(145, 249, 225) |
| HSL | hsl(166, 90%, 77%) |
| OKLCH | oklch(91.2% 0.104 177.3) |
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 #91F9E1 | 1.24:1 | Fails | Lc -14.0 | Not readable |
| Black text on #91F9E1 | 16.84:1 | AAA | Lc 91.5 | Preferred for body text |
| #91F9E1 text on white | 1.24:1 | Fails | Lc 12.1 | Not readable |
| #91F9E1 text on black | 16.84:1 | AAA | Lc -91.9 | 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
#EAFAF5
oklch(97.2% 0.018 175.3)
-
Step 100
100 (this color)
#91F9E1
oklch(91.2% 0.104 177.3)
-
Step 200
200
#A4EAD8
oklch(88.6% 0.074 176.7)
-
Step 300
300
#43DCBF
oklch(80.8% 0.133 177.2)
-
Step 400
400
#00BB9F
oklch(70.8% 0.132 176.8)
-
Step 500
500
#00A088
oklch(63.1% 0.117 177)
-
Step 600
600
#008772
oklch(55.7% 0.104 176.6)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950
#002E26
oklch(26.9% 0.05 177.5)
#91F9E1 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) | #F2EEE0 | 0.109 |
| Deuteranopia (no green cones) | #E0E1E3 | 0.103 |
| Tritanopia (no blue cones) | #6BFCF2 | 0.032 |
| Achromatopsia (no color) | #E6E6E6 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91F9E1
#91F9E1
oklch(91.2% 0.104 177.3)
- #FFD5E2
#FFD5E2
oklch(91.2% 0.05 357.6)
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 #91F9E1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Aqua #8CFFDB ΔE 0.021
- Aquamarine #7FFFD4 ΔE 0.032
- Light Turquoise #7EF4CC ΔE 0.035
- Pale Aqua #B8FFEB ΔE 0.045
- Light Aquamarine #7BFDC7 ΔE 0.046
- Pale Turquoise #AFEEEE ΔE 0.049
- Robin's Egg Blue #98EFF9 ΔE 0.050
- Light Seafoam #A0FEBF ΔE 0.052
Use #91F9E1 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.