#91EFDB

A color in the Cyan, Emerald family

#91efdb is a color in the Cyan, Emerald family: RGB(145, 239, 219), HSL(167°, 75%, 75%), CMYK(39%, 0%, 8%, 6%). Closest named color: paleturquoise. Contrast is 1.35:1 on white and 15.57:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#91efdb
RGBrgb(145 239 219)
RGB (legacy)rgb(145, 239, 219)
RGB %rgb(57% 94% 86%)
HSLhsl(167 75% 75%)
HSV / HSBhsv(167, 39%, 94%)
HWBhwb(167 57% 6%)
CMYKcmyk(39%, 0%, 8%, 6%)
CIELAB (D50)lab(88.2 -32.64 0.44)
LCHlch(88.2 32.65 179.23)
OKLaboklab(0.8879 -0.0944 0.0019)
OKLCHoklch(0.8879 0.0945 178.86)
Decimal9564123

Properties

Color ToneCyan, Emerald
Closest named colorpaleturquoise ΔE 4.3
Closest web-safe color#99ffcc
Hue167°
Saturation (HSL / HSV)75% / 39%
Lightness (HSL)75%
Brightness or Value (HSV)94%
Luminance (Rec.601 / Rec.709)82% / 85%
Relative luminance (WCAG)0.7287
Red / Green / Blue145 / 239 / 219

WCAG 2.2 Contrast Ratio

On White (#ffffff)
1.35:1
AA Normal (4.5:1) · FailAA Large (3:1) · FailAAA Normal (7:1) · Fail
On Black (#000000)
15.57:1
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 17 / -86.6 · As background with white / black text: Lc -19.5 / 86.7

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

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: #91efdb;
  --color-brand-oklch: oklch(88.79% 0.0945 178.86);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(145 239 219 / 50%); }
/* Tailwind CSS */
<div class="bg-[#91efdb] text-[#91efdb] border-[#91efdb]">