#289D57#289D57

#289D57 is a mid, vivid green. Relative luminance 0.253; OKLCH L 61.6% C 0.146 H 152.2°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#289D57
RGB	rgb(40, 157, 87)
HSL	hsl(144, 59%, 39%)
HSV	hsv(144, 75%, 62%)
CMYK	cmyk(74.5%, 0%, 44.6%, 38.4%)
CIE-LAB	lab(57.32, -47.94, 27.64)
CIE-LCH	lch(57.32, 55.34, 150.04°)
OKLab	oklab(61.58% -0.129 0.0681)
OKLCH	oklch(61.58% 0.146 152.2)
XYZ	xyz(14.6511, 25.2515, 13.1169)
Luminance	0.2525 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289D57 #9D286E

analogous

#339D28 #289D57 #289D91

triadic

#289D57 #57289D #9D5728

tetradic

#289D57 #28339D #9D286E #9D9128

square

#289D57 #28339D #9D286E #9D9128

split-complementary

#289D57 #91289D #9D2833

monochromatic

#0F3B21 #1C6C3C #289D57 #36CC72 #67D895

Accessibility & contrast

On white

3.47

#289D57 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#289D57 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289D57

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289D57	#FFFFFF	#000000	##000000
##289D57	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D9052

Deuteranopia (green-blind)

#8F865C

Tritanopia (blue-blind)

#009B8C

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #289d57;
/* rgb */ color: rgb(40, 157, 87);
/* oklch */ color: oklch(61.6% 0.146 152.2);

Tailwind

colors: {
  custom: {
    50: '#74bb87',
    500: '#289d57',
    950: '#000000',
  },
}

SCSS

$custom: #289d57;
$custom-light: #74bb87;
$custom-dark: #000000;

JSON

{
  "hex": "#289d57",
  "rgb": {
    "r": 40,
    "g": 157,
    "b": 87
  },
  "hsl": {
    "h": 144.103,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.61581,
    "c": 0.14593,
    "h": 152.2
  },
  "luminance": 0.25253
}

Semantic roles & 50–950 ramp

primary

#289D57

secondary

#BE6299

accent

#45A3E3

background

#F7FBF8

surface

#EEF6EF

border

#C9D0CA

text

#09120B

muted

#7B817C

Preview Lab

Preview with #289D57

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

Preview Lab → · Contrast checker → · Palette generator →