#91F8F1
Closest named color: Robin's Egg Blue (#98EFF9). oklch(91.5% 0.097 190), rgb(145, 248, 241).
Aa
Black text reads best on this color (16.90:1).
About this color
#91F8F1 is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 91%, its chroma 0.097 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.030 away. Black text reads best on it, at 16.90:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 16.90:1 |
| White text | 1.24:1 |
Values
| HEX | #91F8F1 |
| RGB | rgb(145, 248, 241) |
| HSL | hsl(176, 88%, 77%) |
| OKLCH | oklch(91.5% 0.097 190) |
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 #91F8F1 | 1.24:1 | Fails | Lc -13.7 | Not readable |
| Black text on #91F8F1 | 16.90:1 | AAA | Lc 91.7 | Preferred for body text |
| #91F8F1 text on white | 1.24:1 | Fails | Lc 11.9 | Not readable |
| #91F8F1 text on black | 16.90:1 | 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
#EAF9F8
oklch(97.1% 0.016 192.1)
-
Step 100
100 (this color)
#91F8F1
oklch(91.5% 0.097 190)
-
Step 200
200
#A3E8E3
oklch(88.4% 0.069 190.3)
-
Step 300
300
#41DAD2
oklch(80.9% 0.125 189.8)
-
Step 400
400
#00B8B1
oklch(70.6% 0.122 190)
-
Step 500
500
#009E98
oklch(63.1% 0.109 190)
-
Step 600
600
#008580
oklch(55.7% 0.096 190.1)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#005C58
oklch(42.8% 0.074 189.6)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#91F8F1 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) | #EEEEF1 | 0.104 |
| Deuteranopia (no green cones) | #DBE1F2 | 0.096 |
| Tritanopia (no blue cones) | #64FDF6 | 0.032 |
| Achromatopsia (no color) | #E6E6E6 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91F8F1
#91F8F1
oklch(91.5% 0.097 190)
- #FFD7DC
#FFD7DC
oklch(91.4% 0.045 9.5)
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 #91F8F1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.030
- Robin Egg Blue #8AF1FE ΔE 0.031
- Pale Turquoise #AFEEEE ΔE 0.036
- Light Aqua #8CFFDB ΔE 0.041
- Pale Cyan #B7FFFA ΔE 0.045
- Pale Aqua #B8FFEB ΔE 0.045
- Bright Cyan #41FDFE ΔE 0.048
- Robin's Egg #6DEDFD ΔE 0.049
Use #91F8F1 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.