#288B45#288B45

#288B45 is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.3% C 0.139 H 149.1°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#288B45
RGB	rgb(40, 139, 69)
HSL	hsl(138, 55%, 35%)
HSV	hsv(138, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 50.4%, 45.5%)
CIE-LAB	lab(51.09, -44.18, 29.28)
CIE-LCH	lch(51.09, 53.01, 146.46°)
OKLab	oklab(56.35% -0.119 0.0712)
OKLCH	oklch(56.35% 0.139 149.1)
XYZ	xyz(11.1810, 19.3448, 8.7737)
Luminance	0.1935 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B45 #8B286E

analogous

#3C8B28 #288B45 #288B77

triadic

#288B45 #45288B #8B4528

tetradic

#288B45 #283C8B #8B286E #8B7728

square

#288B45 #283C8B #8B286E #8B7728

split-complementary

#288B45 #77288B #8B283C

monochromatic

#0D2C16 #1A5B2D #288B45 #36BB5D #5DD07F

Accessibility & contrast

On white

4.31

#288B45 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#288B45 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B45

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B45	#FFFFFF	#000000	##000000
##288B45	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7F3F

Deuteranopia (green-blind)

#80764A

Tritanopia (blue-blind)

#00887B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288b45;
/* rgb */ color: rgb(40, 139, 69);
/* oklch */ color: oklch(56.3% 0.139 149.1);

Tailwind

colors: {
  custom: {
    50: '#70ae7a',
    500: '#288b45',
    950: '#000000',
  },
}

SCSS

$custom: #288b45;
$custom-light: #70ae7a;
$custom-dark: #000000;

JSON

{
  "hex": "#288b45",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 69
  },
  "hsl": {
    "h": 137.576,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56346,
    "c": 0.13866,
    "h": 149.1
  },
  "luminance": 0.19346
}

Semantic roles & 50–950 ramp

primary

#288B45

secondary

#B6599B

accent

#49B3DF

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #288B45

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

Preview Lab → · Contrast checker → · Palette generator →