#289C54#289C54

#289C54 is a mid, vivid green. Relative luminance 0.249; OKLCH L 61.3% C 0.147 H 151.4°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#289C54
RGB	rgb(40, 156, 84)
HSL	hsl(143, 59%, 38%)
HSV	hsv(143, 74%, 61%)
CMYK	cmyk(74.4%, 0%, 46.2%, 38.8%)
CIE-LAB	lab(56.95, -48.10, 28.75)
CIE-LCH	lch(56.95, 56.04, 149.13°)
OKLab	oklab(61.26% -0.1294 0.0706)
OKLCH	oklch(61.26% 0.147 151.4)
XYZ	xyz(14.3625, 24.8665, 12.4286)
Luminance	0.2487 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289C54 #9C2870

analogous

#369C28 #289C54 #289C8E

triadic

#289C54 #54289C #9C5428

tetradic

#289C54 #28369C #9C2870 #9C8E28

square

#289C54 #28369C #9C2870 #9C8E28

split-complementary

#289C54 #8E289C #9C2836

monochromatic

#0F3B20 #1C6B3A #289C54 #36CB6F #67D892

Accessibility & contrast

On white

3.52

#289C54 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.97

#289C54 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289C54

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289C54	#FFFFFF	#000000	##000000
##289C54	1.00	3.52	5.97	5.97
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.97	21.00	1.00	1.00
##000000	5.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D8F4F

Deuteranopia (green-blind)

#8F8559

Tritanopia (blue-blind)

#009A8B

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #289c54;
/* rgb */ color: rgb(40, 156, 84);
/* oklch */ color: oklch(61.3% 0.147 151.4);

Tailwind

colors: {
  custom: {
    50: '#73ba85',
    500: '#289c54',
    950: '#000000',
  },
}

SCSS

$custom: #289c54;
$custom-light: #73ba85;
$custom-dark: #000000;

JSON

{
  "hex": "#289c54",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 84
  },
  "hsl": {
    "h": 142.759,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.61257,
    "c": 0.14743,
    "h": 151.4
  },
  "luminance": 0.24868
}

Semantic roles & 50–950 ramp

primary

#289C54

secondary

#BE629B

accent

#45A7E2

background

#F7FBF8

surface

#EEF6EF

border

#C9D0CA

text

#09120B

muted

#7B817C

Preview Lab

Preview with #289C54

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

Preview Lab → · Contrast checker → · Palette generator →