#278B28#278B28

#278B28 is a mid, vivid green. Relative luminance 0.191; OKLCH L 56.0% C 0.163 H 143.1°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#278B28
RGB	rgb(39, 139, 40)
HSL	hsl(121, 56%, 35%)
HSV	hsv(121, 72%, 55%)
CMYK	cmyk(71.9%, 0%, 71.2%, 45.5%)
CIE-LAB	lab(50.74, -48.15, 42.83)
CIE-LCH	lch(50.74, 64.44, 138.35°)
OKLab	oklab(55.95% -0.1307 0.098)
OKLCH	oklch(55.95% 0.163 143.1)
XYZ	xyz(10.4517, 19.0486, 5.1330)
Luminance	0.1905 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278B28 #8B278A

analogous

#588B27 #278B28 #278B5A

triadic

#278B28 #28278B #8B2827

tetradic

#278B28 #27588B #8B278A #8B5A27

square

#278B28 #27588B #8B278A #8B5A27

split-complementary

#278B28 #5A278B #8B2758

monochromatic

#0C2B0C #1A5B1A #278B28 #34BB36 #5BD15D

Accessibility & contrast

On white

4.37

#278B28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#278B28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278B28

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278B28	#FFFFFF	#000000	##000000
##278B28	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7E19

Deuteranopia (green-blind)

#827632

Tritanopia (blue-blind)

#068777

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #278b28;
/* rgb */ color: rgb(39, 139, 40);
/* oklch */ color: oklch(56.0% 0.163 143.1);

Tailwind

colors: {
  custom: {
    50: '#71ae68',
    500: '#278b28',
    950: '#000000',
  },
}

SCSS

$custom: #278b28;
$custom-light: #71ae68;
$custom-dark: #000000;

JSON

{
  "hex": "#278b28",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 40
  },
  "hsl": {
    "h": 120.6,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.55951,
    "c": 0.16333,
    "h": 143.1
  },
  "luminance": 0.1905
}

Semantic roles & 50–950 ramp

primary

#278B28

secondary

#B658B5

accent

#48DEDF

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#091006

muted

#7B7F7A

Preview Lab

Preview with #278B28

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →