#288B4F#288B4F

#288B4F is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.5% C 0.129 H 152.5°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#288B4F
RGB	rgb(40, 139, 79)
HSL	hsl(144, 55%, 35%)
HSV	hsv(144, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 43.2%, 45.5%)
CIE-LAB	lab(51.24, -42.41, 24.08)
CIE-LCH	lch(51.24, 48.77, 150.41°)
OKLab	oklab(56.53% -0.1144 0.0596)
OKLCH	oklch(56.53% 0.129 152.5)
XYZ	xyz(11.5180, 19.4796, 10.5485)
Luminance	0.1948 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B4F #8B2864

analogous

#338B28 #288B4F #288B80

triadic

#288B4F #4F288B #8B4F28

tetradic

#288B4F #28338B #8B2864 #8B8028

square

#288B4F #28338B #8B2864 #8B8028

split-complementary

#288B4F #80288B #8B2833

monochromatic

#0D2C19 #1A5B34 #288B4F #36BB6A #5DD08A

Accessibility & contrast

On white

4.29

#288B4F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#288B4F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B4F

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B4F	#FFFFFF	#000000	##000000
##288B4F	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7F4B

Deuteranopia (green-blind)

#7F7753

Tritanopia (blue-blind)

#00897C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288b4f;
/* rgb */ color: rgb(40, 139, 79);
/* oklch */ color: oklch(56.5% 0.129 152.5);

Tailwind

colors: {
  custom: {
    50: '#70ae81',
    500: '#288b4f',
    950: '#000000',
  },
}

SCSS

$custom: #288b4f;
$custom-light: #70ae81;
$custom-dark: #000000;

JSON

{
  "hex": "#288b4f",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 79
  },
  "hsl": {
    "h": 143.636,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56525,
    "c": 0.12897,
    "h": 152.5
  },
  "luminance": 0.19481
}

Semantic roles & 50–950 ramp

primary

#288B4F

secondary

#B65991

accent

#49A4DF

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #288B4F

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

Preview Lab → · Contrast checker → · Palette generator →