#288B3E#288B3E

#288B3E is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.2% C 0.145 H 147.2°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#288B3E
RGB	rgb(40, 139, 62)
HSL	hsl(133, 55%, 35%)
HSV	hsv(133, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 55.4%, 45.5%)
CIE-LAB	lab(50.99, -45.28, 32.81)
CIE-LCH	lch(50.99, 55.92, 144.07°)
OKLab	oklab(56.24% -0.122 0.0787)
OKLCH	oklch(56.24% 0.145 147.2)
XYZ	xyz(10.9764, 19.2630, 7.6961)
Luminance	0.1926 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B3E #8B2875

analogous

#448B28 #288B3E #288B6F

triadic

#288B3E #3E288B #8B3E28

tetradic

#288B3E #28448B #8B2875 #8B6F28

square

#288B3E #28448B #8B2875 #8B6F28

split-complementary

#288B3E #6F288B #8B2844

monochromatic

#0D2C14 #1A5B29 #288B3E #36BB53 #5DD077

Accessibility & contrast

On white

4.33

#288B3E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#288B3E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B3E

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B3E	#FFFFFF	#000000	##000000
##288B3E	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7E37

Deuteranopia (green-blind)

#817644

Tritanopia (blue-blind)

#00887A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288b3e;
/* rgb */ color: rgb(40, 139, 62);
/* oklch */ color: oklch(56.2% 0.145 147.2);

Tailwind

colors: {
  custom: {
    50: '#70ae75',
    500: '#288b3e',
    950: '#000000',
  },
}

SCSS

$custom: #288b3e;
$custom-light: #70ae75;
$custom-dark: #000000;

JSON

{
  "hex": "#288b3e",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 62
  },
  "hsl": {
    "h": 133.333,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56237,
    "c": 0.14519,
    "h": 147.2
  },
  "luminance": 0.19264
}

Semantic roles & 50–950 ramp

primary

#288B3E

secondary

#B659A1

accent

#49BDDF

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #288B3E

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

Preview Lab → · Contrast checker → · Palette generator →