#288C4F#288C4F

#288C4F is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.8% C 0.130 H 152.3°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#288C4F
RGB	rgb(40, 140, 79)
HSL	hsl(143, 56%, 35%)
HSV	hsv(143, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 43.6%, 45.1%)
CIE-LAB	lab(51.58, -42.81, 24.52)
CIE-LCH	lch(51.58, 49.34, 150.20°)
OKLab	oklab(56.8% -0.1154 0.0606)
OKLCH	oklch(56.8% 0.13 152.3)
XYZ	xyz(11.6634, 19.7705, 10.5970)
Luminance	0.1977 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C4F #8C2865

analogous

#338C28 #288C4F #288C81

triadic

#288C4F #4F288C #8C4F28

tetradic

#288C4F #28338C #8C2865 #8C8128

square

#288C4F #28338C #8C2865 #8C8128

split-complementary

#288C4F #81288C #8C2833

monochromatic

#0D2D19 #1A5C34 #288C4F #36BC6A #5ED18B

Accessibility & contrast

On white

4.24

#288C4F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#288C4F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C4F

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C4F	#FFFFFF	#000000	##000000
##288C4F	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C804B

Deuteranopia (green-blind)

#807753

Tritanopia (blue-blind)

#008A7D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288c4f;
/* rgb */ color: rgb(40, 140, 79);
/* oklch */ color: oklch(56.8% 0.130 152.3);

Tailwind

colors: {
  custom: {
    50: '#70ae81',
    500: '#288c4f',
    950: '#000000',
  },
}

SCSS

$custom: #288c4f;
$custom-light: #70ae81;
$custom-dark: #000000;

JSON

{
  "hex": "#288c4f",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 79
  },
  "hsl": {
    "h": 143.4,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.568,
    "c": 0.13037,
    "h": 152.3
  },
  "luminance": 0.19772
}

Semantic roles & 50–950 ramp

primary

#288C4F

secondary

#B65A92

accent

#49A4DF

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #288C4F

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

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