#91F9E5
Closest named color: Light Aqua (#8CFFDB). oklch(91.3% 0.102 180.1), rgb(145, 249, 229).
Aa
Black text reads best on this color (16.88:1).
About this color
#91F9E5 is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 91%, its chroma 0.102 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Light Aqua (#8CFFDB), ΔE 0.025 away. Black text reads best on it, at 16.88:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Light Aqua (#8CFFDB) |
| Black text | 16.88:1 |
| White text | 1.24:1 |
Values
| HEX | #91F9E5 |
| RGB | rgb(145, 249, 229) |
| HSL | hsl(168, 90%, 77%) |
| OKLCH | oklch(91.3% 0.102 180.1) |
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 #91F9E5 | 1.24:1 | Fails | Lc -13.8 | Not readable |
| Black text on #91F9E5 | 16.88:1 | AAA | Lc 91.7 | Preferred for body text |
| #91F9E5 text on white | 1.24:1 | Fails | Lc 11.9 | Not readable |
| #91F9E5 text on black | 16.88:1 | AAA | Lc -92.1 | 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
#EAFAF6
oklch(97.2% 0.018 179.3)
-
Step 100
100 (this color)
#91F9E5
oklch(91.3% 0.102 180.1)
-
Step 200
200
#A4E9DB
oklch(88.4% 0.072 180.5)
-
Step 300
300
#42DCC4
oklch(80.9% 0.131 180.1)
-
Step 400
400
#00BAA4
oklch(70.7% 0.128 180.3)
-
Step 500
500
#00A08C
oklch(63.2% 0.115 179.7)
-
Step 600
600
#008676
oklch(55.6% 0.1 180.5)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#005C51
oklch(42.6% 0.077 181.1)
-
Step 900
900
#004D43
oklch(37.7% 0.068 180.3)
-
Step 950
950
#002E27
oklch(27% 0.049 179.5)
#91F9E5 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) | #F1EEE4 | 0.108 |
| Deuteranopia (no green cones) | #DFE1E7 | 0.102 |
| Tritanopia (no blue cones) | #6AFCF3 | 0.030 |
| Achromatopsia (no color) | #E6E6E6 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91F9E5
#91F9E5
oklch(91.3% 0.102 180.1)
- #FFD6E1
#FFD6E1
oklch(91.4% 0.048 0.1)
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 #91F9E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Aqua #8CFFDB ΔE 0.025
- Aquamarine #7FFFD4 ΔE 0.036
- Light Turquoise #7EF4CC ΔE 0.040
- Pale Aqua #B8FFEB ΔE 0.044
- Pale Turquoise #AFEEEE ΔE 0.045
- Robin's Egg Blue #98EFF9 ΔE 0.045
- Robin Egg Blue #8AF1FE ΔE 0.047
- Light Aquamarine #7BFDC7 ΔE 0.051
Use #91F9E5 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.