#289C23#289C23

#289C23 is a mid, vivid green. Relative luminance 0.243; OKLCH L 60.7% C 0.186 H 142.4°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#289C23
RGB	rgb(40, 156, 35)
HSL	hsl(118, 63%, 37%)
HSV	hsv(118, 78%, 61%)
CMYK	cmyk(74.4%, 0%, 77.6%, 38.8%)
CIE-LAB	lab(56.43, -54.17, 50.51)
CIE-LCH	lch(56.43, 74.06, 137.00°)
OKLab	oklab(60.67% -0.1473 0.1134)
OKLCH	oklch(60.67% 0.186 142.4)
XYZ	xyz(13.0661, 24.3479, 5.6008)
Luminance	0.2435 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289C23 #97239C

analogous

#649C23 #289C23 #239C5B

triadic

#289C23 #23289C #9C2328

tetradic

#289C23 #23649C #97239C #9C5B23

square

#289C23 #23649C #97239C #9C5B23

split-complementary

#289C23 #5B239C #9C2364

monochromatic

#0E380D #1B6A18 #289C23 #35CE2E #64DB5E

Accessibility & contrast

On white

3.58

#289C23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#289C23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289C23

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289C23	#FFFFFF	#000000	##000000
##289C23	1.00	3.58	5.87	5.87
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A08D05

Deuteranopia (green-blind)

#938431

Tritanopia (blue-blind)

#009785

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #289c23;
/* rgb */ color: rgb(40, 156, 35);
/* oklch */ color: oklch(60.7% 0.186 142.4);

Tailwind

colors: {
  custom: {
    50: '#75ba67',
    500: '#289c23',
    950: '#000000',
  },
}

SCSS

$custom: #289c23;
$custom-light: #75ba67;
$custom-dark: #000000;

JSON

{
  "hex": "#289c23",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 35
  },
  "hsl": {
    "h": 117.521,
    "s": 63.351,
    "l": 37.451
  },
  "oklch": {
    "l": 0.60669,
    "c": 0.18587,
    "h": 142.4
  },
  "luminance": 0.24349
}

Semantic roles & 50–950 ramp

primary

#289C23

secondary

#BC5BC0

accent

#41E6E0

background

#F7FBF6

surface

#EEF6EB

border

#C9D0C6

text

#0A1206

muted

#7C817A

Preview Lab

Preview with #289C23

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

Preview Lab → · Contrast checker → · Palette generator →