#288C3F#288C3F

#288C3F is a mid, vivid green. Relative luminance 0.196; OKLCH L 56.5% C 0.146 H 147.4°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#288C3F
RGB	rgb(40, 140, 63)
HSL	hsl(134, 56%, 35%)
HSV	hsv(134, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 55%, 45.1%)
CIE-LAB	lab(51.34, -45.50, 32.72)
CIE-LCH	lch(51.34, 56.05, 144.28°)
OKLab	oklab(56.53% -0.1226 0.0785)
OKLCH	oklch(56.53% 0.146 147.4)
XYZ	xyz(11.1495, 19.5649, 7.8905)
Luminance	0.1957 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C3F #8C2875

analogous

#438C28 #288C3F #288C71

triadic

#288C3F #3F288C #8C3F28

tetradic

#288C3F #28438C #8C2875 #8C7128

square

#288C3F #28438C #8C2875 #8C7128

split-complementary

#288C3F #71288C #8C2843

monochromatic

#0D2D14 #1A5C2A #288C3F #36BC54 #5ED178

Accessibility & contrast

On white

4.27

#288C3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#288C3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C3F

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C3F	#FFFFFF	#000000	##000000
##288C3F	1.00	4.27	4.91	4.91
#FFFFFF	4.27	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)

#8E7F38

Deuteranopia (green-blind)

#827745

Tritanopia (blue-blind)

#00897B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288c3f;
/* rgb */ color: rgb(40, 140, 63);
/* oklch */ color: oklch(56.5% 0.146 147.4);

Tailwind

colors: {
  custom: {
    50: '#70af76',
    500: '#288c3f',
    950: '#000000',
  },
}

SCSS

$custom: #288c3f;
$custom-light: #70af76;
$custom-dark: #000000;

JSON

{
  "hex": "#288c3f",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 63
  },
  "hsl": {
    "h": 133.8,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.56529,
    "c": 0.14562,
    "h": 147.4
  },
  "luminance": 0.19566
}

Semantic roles & 50–950 ramp

primary

#288C3F

secondary

#B65AA1

accent

#49BCDF

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #288C3F

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

Preview Lab → · Contrast checker → · Palette generator →