#288440#288440

#288440 is a mid, vivid green. Relative luminance 0.173; OKLCH L 54.3% C 0.134 H 148.4°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#288440
RGB	rgb(40, 132, 64)
HSL	hsl(136, 53%, 34%)
HSV	hsv(136, 70%, 52%)
CMYK	cmyk(69.7%, 0%, 51.5%, 48.2%)
CIE-LAB	lab(48.66, -42.28, 28.91)
CIE-LCH	lch(48.66, 51.22, 145.63°)
OKLab	oklab(54.32% -0.114 0.0701)
OKLCH	oklch(54.32% 0.134 148.4)
XYZ	xyz(10.0510, 17.3227, 7.6634)
Luminance	0.1732 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288440 #84286C

analogous

#3E8428 #288440 #28846E

triadic

#288440 #402884 #844028

tetradic

#288440 #283E84 #84286C #846E28

square

#288440 #283E84 #84286C #846E28

split-complementary

#288440 #6E2884 #84283E

monochromatic

#0C2612 #1A5529 #288440 #36B357 #5ACD78

Accessibility & contrast

On white

4.70

#288440 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#288440 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #288440

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288440	#FFFFFF	#000000	##FFFFFF
##288440	1.00	4.70	4.46	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#85783A

Deuteranopia (green-blind)

#7A7045

Tritanopia (blue-blind)

#008174

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #288440;
/* rgb */ color: rgb(40, 132, 64);
/* oklch */ color: oklch(54.3% 0.134 148.4);

Tailwind

colors: {
  custom: {
    50: '#6fa976',
    500: '#288440',
    950: '#000000',
  },
}

SCSS

$custom: #288440;
$custom-light: #6fa976;
$custom-dark: #000000;

JSON

{
  "hex": "#288440",
  "rgb": {
    "r": 40,
    "g": 132,
    "b": 64
  },
  "hsl": {
    "h": 135.652,
    "s": 53.488,
    "l": 33.725
  },
  "oklch": {
    "l": 0.54321,
    "c": 0.13379,
    "h": 148.4
  },
  "luminance": 0.17324
}

Semantic roles & 50–950 ramp

primary

#288440

secondary

#B2569A

accent

#4BB7DD

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #288440

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

Preview Lab → · Contrast checker → · Palette generator →