#289D55#289D55

#289D55 is a mid, vivid green. Relative luminance 0.252; OKLCH L 61.5% C 0.148 H 151.5°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#289D55
RGB	rgb(40, 157, 85)
HSL	hsl(143, 59%, 39%)
HSV	hsv(143, 75%, 62%)
CMYK	cmyk(74.5%, 0%, 45.9%, 38.4%)
CIE-LAB	lab(57.29, -48.30, 28.66)
CIE-LCH	lch(57.29, 56.16, 149.32°)
OKLab	oklab(61.55% -0.13 0.0704)
OKLCH	oklch(61.55% 0.148 151.5)
XYZ	xyz(14.5705, 25.2193, 12.6925)
Luminance	0.2522 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289D55 #9D2870

analogous

#359D28 #289D55 #289D8F

triadic

#289D55 #55289D #9D5528

tetradic

#289D55 #28359D #9D2870 #9D8F28

square

#289D55 #28359D #9D2870 #9D8F28

split-complementary

#289D55 #8F289D #9D2835

monochromatic

#0F3B20 #1C6C3B #289D55 #36CC70 #67D893

Accessibility & contrast

On white

3.47

#289D55 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#289D55 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289D55

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289D55	#FFFFFF	#000000	##000000
##289D55	1.00	3.47	6.04	6.04
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D8F50

Deuteranopia (green-blind)

#90865A

Tritanopia (blue-blind)

#009B8C

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #289d55;
/* rgb */ color: rgb(40, 157, 85);
/* oklch */ color: oklch(61.5% 0.148 151.5);

Tailwind

colors: {
  custom: {
    50: '#74bb86',
    500: '#289d55',
    950: '#000000',
  },
}

SCSS

$custom: #289d55;
$custom-light: #74bb86;
$custom-dark: #000000;

JSON

{
  "hex": "#289d55",
  "rgb": {
    "r": 40,
    "g": 157,
    "b": 85
  },
  "hsl": {
    "h": 143.077,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.61545,
    "c": 0.14782,
    "h": 151.5
  },
  "luminance": 0.25221
}

Semantic roles & 50–950 ramp

primary

#289D55

secondary

#BE629B

accent

#45A6E3

background

#F7FBF8

surface

#EEF6EF

border

#C9D0CA

text

#09120B

muted

#7B817C

Preview Lab

Preview with #289D55

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

Preview Lab → · Contrast checker → · Palette generator →