#289B54#289B54

#289B54 is a mid, vivid green. Relative luminance 0.245; OKLCH L 61.0% C 0.146 H 151.5°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#289B54
RGB	rgb(40, 155, 84)
HSL	hsl(143, 59%, 38%)
HSV	hsv(143, 74%, 61%)
CMYK	cmyk(74.2%, 0%, 45.8%, 39.2%)
CIE-LAB	lab(56.62, -47.72, 28.33)
CIE-LCH	lch(56.62, 55.50, 149.31°)
OKLab	oklab(60.99% -0.1284 0.0696)
OKLCH	oklch(60.99% 0.146 151.5)
XYZ	xyz(14.1954, 24.5323, 12.3729)
Luminance	0.2453 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289B54 #9B286F

analogous

#359B28 #289B54 #289B8D

triadic

#289B54 #54289B #9B5428

tetradic

#289B54 #28359B #9B286F #9B8D28

square

#289B54 #28359B #9B286F #9B8D28

split-complementary

#289B54 #8D289B #9B2835

monochromatic

#0F3A1F #1B6A3A #289B54 #35CB6F #66D791

Accessibility & contrast

On white

3.56

#289B54 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#289B54 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289B54

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289B54	#FFFFFF	#000000	##000000
##289B54	1.00	3.56	5.91	5.91
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9B8E4F

Deuteranopia (green-blind)

#8E8459

Tritanopia (blue-blind)

#00998A

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #289b54;
/* rgb */ color: rgb(40, 155, 84);
/* oklch */ color: oklch(61.0% 0.146 151.5);

Tailwind

colors: {
  custom: {
    50: '#73b985',
    500: '#289b54',
    950: '#000000',
  },
}

SCSS

$custom: #289b54;
$custom-light: #73b985;
$custom-dark: #000000;

JSON

{
  "hex": "#289b54",
  "rgb": {
    "r": 40,
    "g": 155,
    "b": 84
  },
  "hsl": {
    "h": 142.957,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.60986,
    "c": 0.14609,
    "h": 151.5
  },
  "luminance": 0.24534
}

Semantic roles & 50–950 ramp

primary

#289B54

secondary

#BD619A

accent

#46A6E2

background

#F7FBF8

surface

#EDF6EF

border

#C8D0CA

text

#09120B

muted

#7B817C

Preview Lab

Preview with #289B54

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

Preview Lab → · Contrast checker → · Palette generator →