#287C48

A color in the Green family

#287c48 is a color in the Green family: RGB(40, 124, 72), HSL(143°, 51%, 32%), CMYK(68%, 0%, 42%, 51%). Closest named color: seagreen. Contrast is 5.16:1 on white and 4.07:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#287c48
RGBrgb(40 124 72)
RGB (legacy)rgb(40, 124, 72)
RGB %rgb(16% 49% 28%)
HSLhsl(143 51% 32%)
HSV / HSBhsv(143, 68%, 49%)
HWBhwb(143 16% 51%)
CMYKcmyk(68%, 0%, 42%, 51%)
CIELAB (D50)lab(46.06 -35.65 20.77)
LCHlch(46.06 41.26 149.78)
OKLaboklab(0.5224 -0.1016 0.0527)
OKLCHoklch(0.5224 0.1145 152.57)
Decimal2653256

Properties

Color ToneGreen
Closest named colorseagreen ΔE 4.7
Closest web-safe color#336633
Hue143°
Saturation (HSL / HSV)51% / 68%
Lightness (HSL)32%
Brightness or Value (HSV)49%
Luminance (Rec.601 / Rec.709)36% / 40%
Relative luminance (WCAG)0.1533
Red / Green / Blue40 / 124 / 72

WCAG 2.2 Contrast Ratio

On White (#ffffff)
5.16:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Fail
On Black (#000000)
4.07:1
AA Normal (4.5:1) · FailAA Large (3:1) · PassAAA Normal (7:1) · Fail
Aa Bb 123

APCA Contrast Lc (reference) — As text on white / black: Lc 75.2 / -26.5 · As background with white / black text: Lc -80.6 / 28.8

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: #287c48;
  --color-brand-oklch: oklch(52.24% 0.1145 152.57);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(40 124 72 / 50%); }
/* Tailwind CSS */
<div class="bg-[#287c48] text-[#287c48] border-[#287c48]">