#288C2D#288C2D

#288C2D is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.3% C 0.161 H 143.7°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#288C2D
RGB	rgb(40, 140, 45)
HSL	hsl(123, 56%, 35%)
HSV	hsv(123, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 67.9%, 45.1%)
CIE-LAB	lab(51.15, -47.80, 41.13)
CIE-LCH	lch(51.15, 63.06, 139.29°)
OKLab	oklab(56.31% -0.1295 0.095)
OKLCH	oklch(56.31% 0.161 143.7)
XYZ	xyz(10.7261, 19.3956, 5.6606)
Luminance	0.1940 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C2D #8C2887

analogous

#558C28 #288C2D #288C5F

triadic

#288C2D #2D288C #8C2D28

tetradic

#288C2D #28558C #8C2887 #8C5F28

square

#288C2D #28558C #8C2887 #8C5F28

split-complementary

#288C2D #5F288C #8C2855

monochromatic

#0D2D0E #1A5C1E #288C2D #36BC3C #5ED163

Accessibility & contrast

On white

4.30

#288C2D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#288C2D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C2D

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C2D	#FFFFFF	#000000	##000000
##288C2D	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7F21

Deuteranopia (green-blind)

#837736

Tritanopia (blue-blind)

#068878

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288c2d;
/* rgb */ color: rgb(40, 140, 45);
/* oklch */ color: oklch(56.3% 0.161 143.7);

Tailwind

colors: {
  custom: {
    50: '#71af6b',
    500: '#288c2d',
    950: '#000000',
  },
}

SCSS

$custom: #288c2d;
$custom-light: #71af6b;
$custom-dark: #000000;

JSON

{
  "hex": "#288c2d",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 45
  },
  "hsl": {
    "h": 123,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.56305,
    "c": 0.16066,
    "h": 143.7
  },
  "luminance": 0.19397
}

Semantic roles & 50–950 ramp

primary

#288C2D

secondary

#B65AB2

accent

#49D7DF

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#091007

muted

#7B7F7A

Preview Lab

Preview with #288C2D

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

Preview Lab → · Contrast checker → · Palette generator →