#5BED21

A color in the Green family

#5bed21 is a color in the Green family: RGB(91, 237, 33), HSL(103°, 85%, 53%), CMYK(62%, 0%, 86%, 7%). Closest named color: lawngreen. Contrast is 1.55:1 on white and 13.58:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#5bed21
RGBrgb(91 237 33)
RGB (legacy)rgb(91, 237, 33)
RGB %rgb(36% 93% 13%)
HSLhsl(103 85% 53%)
HSV / HSBhsv(103, 86%, 93%)
HWBhwb(103 13% 7%)
CMYKcmyk(62%, 0%, 86%, 7%)
CIELAB (D50)lab(83.51 -64.3 74.43)
LCHlch(83.51 98.36 130.82)
OKLaboklab(0.8337 -0.1941 0.1664)
OKLCHoklch(0.8337 0.2557 139.38)
Decimal6024481

Properties

Color ToneGreen
Closest named colorlawngreen ΔE 5.1
Closest web-safe color#66ff33
Hue103°
Saturation (HSL / HSV)85% / 86%
Lightness (HSL)53%
Brightness or Value (HSV)93%
Luminance (Rec.601 / Rec.709)67% / 75%
Relative luminance (WCAG)0.629
Red / Green / Blue91 / 237 / 33

WCAG 2.2 Contrast Ratio

On White (#ffffff)
1.55:1
AA Normal (4.5:1) · FailAA Large (3:1) · FailAAA Normal (7:1) · Fail
On Black (#000000)
13.58:1
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 24.6 / -78.5 · As background with white / black text: Lc -27.9 / 79.1

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: #5bed21;
  --color-brand-oklch: oklch(83.37% 0.2557 139.38);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(91 237 33 / 50%); }
/* Tailwind CSS */
<div class="bg-[#5bed21] text-[#5bed21] border-[#5bed21]">