#289B23#289B23

#289B23 is a mid, vivid green. Relative luminance 0.240; OKLCH L 60.4% C 0.185 H 142.4°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#289B23
RGB	rgb(40, 155, 35)
HSL	hsl(118, 63%, 37%)
HSV	hsv(118, 77%, 61%)
CMYK	cmyk(74.2%, 0%, 77.4%, 39.2%)
CIE-LAB	lab(56.10, -53.84, 50.18)
CIE-LCH	lch(56.10, 73.60, 137.01°)
OKLab	oklab(60.39% -0.1464 0.1127)
OKLCH	oklch(60.39% 0.185 142.4)
XYZ	xyz(12.8990, 24.0137, 5.5451)
Luminance	0.2402 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289B23 #96239B

analogous

#649B23 #289B23 #239B5A

triadic

#289B23 #23289B #9B2328

tetradic

#289B23 #23649B #96239B #9B5A23

square

#289B23 #23649B #96239B #9B5A23

split-complementary

#289B23 #5A239B #9B2364

monochromatic

#0E370C #1B6918 #289B23 #35CD2E #63DB5E

Accessibility & contrast

On white

3.62

#289B23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#289B23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289B23

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289B23	#FFFFFF	#000000	##000000
##289B23	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)

#9F8C06

Deuteranopia (green-blind)

#928330

Tritanopia (blue-blind)

#009684

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #289b23;
/* rgb */ color: rgb(40, 155, 35);
/* oklch */ color: oklch(60.4% 0.185 142.4);

Tailwind

colors: {
  custom: {
    50: '#75ba67',
    500: '#289b23',
    950: '#000000',
  },
}

SCSS

$custom: #289b23;
$custom-light: #75ba67;
$custom-dark: #000000;

JSON

{
  "hex": "#289b23",
  "rgb": {
    "r": 40,
    "g": 155,
    "b": 35
  },
  "hsl": {
    "h": 117.5,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.60392,
    "c": 0.18475,
    "h": 142.4
  },
  "luminance": 0.24015
}

Semantic roles & 50–950 ramp

primary

#289B23

secondary

#BB5ABF

accent

#42E6DF

background

#F7FBF6

surface

#EEF6EB

border

#C9D0C6

text

#0A1206

muted

#7C817A

Preview Lab

Preview with #289B23

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

Preview Lab → · Contrast checker → · Palette generator →