#91FFF5
Closest named color: Light Aqua (#8CFFDB). oklch(93.1% 0.103 188), rgb(145, 255, 245).
Aa
Black text reads best on this color (17.82:1).
About this color
#91FFF5 is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 93%, its chroma 0.103 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Light Aqua (#8CFFDB), ΔE 0.037 away. Black text reads best on it, at 17.82:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Light Aqua (#8CFFDB) |
| Black text | 17.82:1 |
| White text | 1.17:1 |
Values
| HEX | #91FFF5 |
| RGB | rgb(145, 255, 245) |
| HSL | hsl(175, 100%, 78%) |
| OKLCH | oklch(93.1% 0.103 188) |
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 #91FFF5 | 1.17:1 | Fails | Lc -9.9 | Not readable |
| Black text on #91FFF5 | 17.82:1 | AAA | Lc 95.1 | Preferred for body text |
| #91FFF5 text on white | 1.17:1 | Fails | Lc 8.4 | Not readable |
| #91FFF5 text on black | 17.82:1 | AAA | Lc -95.9 | 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
#E9FAF8
oklch(97.2% 0.018 188.4)
-
Step 100
100 (this color)
#91FFF5
oklch(93.1% 0.103 188)
-
Step 200
200
#A0E9E2
oklch(88.4% 0.073 188.4)
-
Step 300
300
#30DCD0
oklch(81% 0.133 187.6)
-
Step 400
400
#00B9AF
oklch(70.8% 0.123 188)
-
Step 500
500
#009E96
oklch(63% 0.109 188.5)
-
Step 600
600
#00857E
oklch(55.6% 0.097 188.3)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#004D48
oklch(37.8% 0.066 187.3)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#91FFF5 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) | #F4F5F5 | 0.109 |
| Deuteranopia (no green cones) | #E1E6F6 | 0.103 |
| Tritanopia (no blue cones) | #5FFFFC | 0.035 |
| Achromatopsia (no color) | #ECECEC | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91FFF5
#91FFF5
oklch(93.1% 0.103 188)
- #FFDFE4
#FFDFE4
oklch(93.1% 0.036 7.1)
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 #91FFF5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Aqua #8CFFDB ΔE 0.037
- Pale Aqua #B8FFEB ΔE 0.037
- Pale Cyan #B7FFFA ΔE 0.038
- Robin Egg Blue #8AF1FE ΔE 0.045
- Robin's Egg Blue #98EFF9 ΔE 0.045
- Pale Turquoise #AFEEEE ΔE 0.048
- Duck Egg Blue #C3FBF4 ΔE 0.049
- Aquamarine #7FFFD4 ΔE 0.050
Use #91FFF5 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.