#91C8BB
A color in the Cyan, Emerald family
#91c8bb is a color in the Cyan, Emerald family: RGB(145, 200, 187), HSL(166°, 33%, 68%), CMYK(28%, 0%, 7%, 22%). Closest named color: mediumaquamarine. Contrast is 1.88:1 on white and 11.18:1 on black. See shades, harmonies and color-blindness simulation.
Color Codes
| HEX | #91c8bb |
|---|---|
| RGB | rgb(145 200 187) |
| RGB (legacy) | rgb(145, 200, 187) |
| RGB % | rgb(57% 78% 73%) |
| HSL | hsl(166 33% 68%) |
| HSV / HSB | hsv(166, 28%, 78%) |
| HWB | hwb(166 57% 22%) |
| CMYK | cmyk(28%, 0%, 7%, 22%) |
| CIELAB (D50) | lab(76.51 -20.63 0.46) |
| LCH | lch(76.51 20.63 178.72) |
| OKLab | oklab(0.7909 -0.06 0.0017) |
| OKLCH | oklch(0.7909 0.0601 178.4) |
| Decimal | 9554107 |
Properties
| Color Tone | Cyan, Emerald |
|---|---|
| Closest named color | mediumaquamarine ΔE 5.4 |
| Closest web-safe color | #99cccc |
| Hue | 166° |
| Saturation (HSL / HSV) | 33% / 28% |
| Lightness (HSL) | 68% |
| Brightness or Value (HSV) | 78% |
| Luminance (Rec.601 / Rec.709) | 71% / 73% |
| Relative luminance (WCAG) | 0.5092 |
| Red / Green / Blue | 145 / 200 / 187 |
WCAG 2.2 Contrast Ratio
On White (#ffffff)
1.88:1
AA Normal (4.5:1) · FailAA Large (3:1) · FailAAA Normal (7:1) · Fail
On Black (#000000)
11.18:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Pass
Aa Bb 123
APCA Contrast Lc (reference) — As text on white / black: Lc 35.5 / -67 · As background with white / black text: Lc -39.8 / 68.4
Lightness Scale (OKLCH 50–950)
Eleven steps that change only perceived lightness while keeping hue and chroma — ready to use as design-system color tokens.
Tints (mixed with white)
Shades (mixed with black)
Color Harmonies
Complementary
Split Complementary
Analogous
Color Vision Deficiency Simulation
Estimated appearance of this color for people with color vision deficiencies (Machado 2009).
Similar Named Colors
Use in CSS
:root {
--color-brand: #91c8bb;
--color-brand-oklch: oklch(79.09% 0.0601 178.4);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(145 200 187 / 50%); }
/* Tailwind CSS */
<div class="bg-[#91c8bb] text-[#91c8bb] border-[#91c8bb]">