#288A4E#288A4E

#288A4E is a mid, vivid green. Relative luminance 0.192; OKLCH L 56.2% C 0.129 H 152.3°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#288A4E
RGB	rgb(40, 138, 78)
HSL	hsl(143, 55%, 35%)
HSV	hsv(143, 71%, 54%)
CMYK	cmyk(71%, 0%, 43.5%, 45.9%)
CIE-LAB	lab(50.89, -42.20, 24.17)
CIE-LCH	lch(50.89, 48.64, 150.20°)
OKLab	oklab(56.23% -0.1138 0.0598)
OKLCH	oklch(56.23% 0.129 152.3)
XYZ	xyz(11.3377, 19.1769, 10.3102)
Luminance	0.1918 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A4E #8A2864

analogous

#338A28 #288A4E #288A7F

triadic

#288A4E #4E288A #8A4E28

tetradic

#288A4E #28338A #8A2864 #8A7F28

square

#288A4E #28338A #8A2864 #8A7F28

split-complementary

#288A4E #7F288A #8A2833

monochromatic

#0C2B18 #1A5B33 #288A4E #36B969 #5DD089

Accessibility & contrast

On white

4.34

#288A4E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#288A4E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A4E

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A4E	#FFFFFF	#000000	##000000
##288A4E	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7E4A

Deuteranopia (green-blind)

#7E7652

Tritanopia (blue-blind)

#00887B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288a4e;
/* rgb */ color: rgb(40, 138, 78);
/* oklch */ color: oklch(56.2% 0.129 152.3);

Tailwind

colors: {
  custom: {
    50: '#70ad80',
    500: '#288a4e',
    950: '#000000',
  },
}

SCSS

$custom: #288a4e;
$custom-light: #70ad80;
$custom-dark: #000000;

JSON

{
  "hex": "#288a4e",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 78
  },
  "hsl": {
    "h": 143.265,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.56231,
    "c": 0.12854,
    "h": 152.3
  },
  "luminance": 0.19178
}

Semantic roles & 50–950 ramp

primary

#288A4E

secondary

#B55991

accent

#49A5DE

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #288A4E

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

Preview Lab → · Contrast checker → · Palette generator →