#289B21#289B21

#289B21 is a mid, vivid green. Relative luminance 0.240; OKLCH L 60.4% C 0.186 H 142.2°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#289B21
RGB	rgb(40, 155, 33)
HSL	hsl(117, 65%, 37%)
HSV	hsv(117, 79%, 61%)
CMYK	cmyk(74.2%, 0%, 78.7%, 39.2%)
CIE-LAB	lab(56.09, -53.98, 50.84)
CIE-LCH	lch(56.09, 74.15, 136.71°)
OKLab	oklab(60.38% -0.1469 0.1138)
OKLCH	oklch(60.38% 0.186 142.2)
XYZ	xyz(12.8702, 24.0022, 5.3931)
Luminance	0.2400 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289B21 #94219B

analogous

#659B21 #289B21 #219B57

triadic

#289B21 #21289B #9B2128

tetradic

#289B21 #21659B #94219B #9B5721

square

#289B21 #21659B #94219B #9B5721

split-complementary

#289B21 #57219B #9B2165

monochromatic

#0E360C #1B6916 #289B21 #35CD2C #62DC5A

Accessibility & contrast

On white

3.62

#289B21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#289B21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289B21

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289B21	#FFFFFF	#000000	##000000
##289B21	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8C00

Deuteranopia (green-blind)

#92832F

Tritanopia (blue-blind)

#009684

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #289b21;
/* rgb */ color: rgb(40, 155, 33);
/* oklch */ color: oklch(60.4% 0.186 142.2);

Tailwind

colors: {
  custom: {
    50: '#75ba66',
    500: '#289b21',
    950: '#000000',
  },
}

SCSS

$custom: #289b21;
$custom-light: #75ba66;
$custom-dark: #000000;

JSON

{
  "hex": "#289b21",
  "rgb": {
    "r": 40,
    "g": 155,
    "b": 33
  },
  "hsl": {
    "h": 116.557,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.60379,
    "c": 0.18579,
    "h": 142.2
  },
  "luminance": 0.24004
}

Semantic roles & 50–950 ramp

primary

#289B21

secondary

#BA58C0

accent

#40E8DE

background

#F7FBF6

surface

#EEF6EB

border

#C9D0C6

text

#0A1206

muted

#7C817A

Preview Lab

Preview with #289B21

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

Preview Lab → · Contrast checker → · Palette generator →