#288C3E#288C3E

#288C3E is a mid, vivid green. Relative luminance 0.196; OKLCH L 56.5% C 0.147 H 147.1°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#288C3E
RGB	rgb(40, 140, 62)
HSL	hsl(133, 56%, 35%)
HSV	hsv(133, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 55.7%, 45.1%)
CIE-LAB	lab(51.33, -45.65, 33.22)
CIE-LCH	lch(51.33, 56.46, 143.96°)
OKLab	oklab(56.51% -0.123 0.0796)
OKLCH	oklch(56.51% 0.147 147.1)
XYZ	xyz(11.1218, 19.5539, 7.7446)
Luminance	0.1956 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C3E #8C2876

analogous

#448C28 #288C3E #288C70

triadic

#288C3E #3E288C #8C3E28

tetradic

#288C3E #28448C #8C2876 #8C7028

square

#288C3E #28448C #8C2876 #8C7028

split-complementary

#288C3E #70288C #8C2844

monochromatic

#0D2D14 #1A5C29 #288C3E #36BC53 #5ED177

Accessibility & contrast

On white

4.28

#288C3E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#288C3E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C3E

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C3E	#FFFFFF	#000000	##000000
##288C3E	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7F37

Deuteranopia (green-blind)

#827744

Tritanopia (blue-blind)

#00897A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288c3e;
/* rgb */ color: rgb(40, 140, 62);
/* oklch */ color: oklch(56.5% 0.147 147.1);

Tailwind

colors: {
  custom: {
    50: '#70af75',
    500: '#288c3e',
    950: '#000000',
  },
}

SCSS

$custom: #288c3e;
$custom-light: #70af75;
$custom-dark: #000000;

JSON

{
  "hex": "#288c3e",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 62
  },
  "hsl": {
    "h": 133.2,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.56514,
    "c": 0.14652,
    "h": 147.1
  },
  "luminance": 0.19555
}

Semantic roles & 50–950 ramp

primary

#288C3E

secondary

#B65AA2

accent

#49BEDF

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#091008

muted

#7B7F7B

Preview Lab

Preview with #288C3E

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

Preview Lab → · Contrast checker → · Palette generator →