#63B341

A color in the Green family

#63b341 is a color in the Green family: RGB(99, 179, 65), HSL(102°, 47%, 48%), CMYK(45%, 0%, 64%, 30%). Closest named color: mediumseagreen. Contrast is 2.61:1 on white and 8.05:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#63b341
RGBrgb(99 179 65)
RGB (legacy)rgb(99, 179, 65)
RGB %rgb(39% 70% 25%)
HSLhsl(102 47% 48%)
HSV / HSBhsv(102, 64%, 70%)
HWBhwb(102 25% 30%)
CMYKcmyk(45%, 0%, 64%, 30%)
CIELAB (D50)lab(66.07 -41.17 48.39)
LCHlch(66.07 63.53 130.39)
OKLaboklab(0.6913 -0.125 0.1139)
OKLCHoklch(0.6913 0.1691 137.65)
Decimal6533953

Properties

Color ToneGreen
Closest named colormediumseagreen ΔE 5.4
Closest web-safe color#66cc33
Hue102°
Saturation (HSL / HSV)47% / 64%
Lightness (HSL)48%
Brightness or Value (HSV)70%
Luminance (Rec.601 / Rec.709)56% / 60%
Relative luminance (WCAG)0.3527
Red / Green / Blue99 / 179 / 65

WCAG 2.2 Contrast Ratio

On White (#ffffff)
2.61:1
AA Normal (4.5:1) · FailAA Large (3:1) · FailAAA Normal (7:1) · Fail
On Black (#000000)
8.05:1
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 50.6 / -51.3 · As background with white / black text: Lc -55.8 / 53.4

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

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: #63b341;
  --color-brand-oklch: oklch(69.13% 0.1691 137.65);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(99 179 65 / 50%); }
/* Tailwind CSS */
<div class="bg-[#63b341] text-[#63b341] border-[#63b341]">