#288A3F#288A3F

#288A3F is a mid, vivid green. Relative luminance 0.190; OKLCH L 56.0% C 0.143 H 147.5°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#288A3F
RGB	rgb(40, 138, 63)
HSL	hsl(134, 55%, 35%)
HSV	hsv(134, 71%, 54%)
CMYK	cmyk(71%, 0%, 54.3%, 45.9%)
CIE-LAB	lab(50.67, -44.75, 31.91)
CIE-LCH	lch(50.67, 54.96, 144.51°)
OKLab	oklab(55.97% -0.1206 0.0767)
OKLCH	oklch(55.97% 0.143 147.5)
XYZ	xyz(10.8600, 18.9858, 7.7939)
Luminance	0.1899 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A3F #8A2873

analogous

#428A28 #288A3F #288A70

triadic

#288A3F #3F288A #8A3F28

tetradic

#288A3F #28428A #8A2873 #8A7028

square

#288A3F #28428A #8A2873 #8A7028

split-complementary

#288A3F #70288A #8A2842

monochromatic

#0C2B14 #1A5B29 #288A3F #36B955 #5DD078

Accessibility & contrast

On white

4.38

#288A3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#288A3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A3F

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A3F	#FFFFFF	#000000	##000000
##288A3F	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7E38

Deuteranopia (green-blind)

#807545

Tritanopia (blue-blind)

#008779

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288a3f;
/* rgb */ color: rgb(40, 138, 63);
/* oklch */ color: oklch(56.0% 0.143 147.5);

Tailwind

colors: {
  custom: {
    50: '#70ad76',
    500: '#288a3f',
    950: '#000000',
  },
}

SCSS

$custom: #288a3f;
$custom-light: #70ad76;
$custom-dark: #000000;

JSON

{
  "hex": "#288a3f",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 63
  },
  "hsl": {
    "h": 134.082,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.55974,
    "c": 0.14293,
    "h": 147.5
  },
  "luminance": 0.18987
}

Semantic roles & 50–950 ramp

primary

#288A3F

secondary

#B5599F

accent

#49BBDE

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #288A3F

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

Preview Lab → · Contrast checker → · Palette generator →