#289F57#289F57

#289F57 is a light, vivid green. Relative luminance 0.259; OKLCH L 62.1% C 0.149 H 151.9°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#289F57
RGB	rgb(40, 159, 87)
HSL	hsl(144, 60%, 39%)
HSV	hsv(144, 75%, 62%)
CMYK	cmyk(74.8%, 0%, 45.3%, 37.6%)
CIE-LAB	lab(57.97, -48.70, 28.48)
CIE-LCH	lch(57.97, 56.42, 149.68°)
OKLab	oklab(62.12% -0.131 0.0701)
OKLCH	oklch(62.12% 0.149 151.9)
XYZ	xyz(14.9922, 25.9338, 13.2306)
Luminance	0.2594 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289F57 #9F2870

analogous

#359F28 #289F57 #289F93

triadic

#289F57 #57289F #9F5728

tetradic

#289F57 #28359F #9F2870 #9F9328

square

#289F57 #28359F #9F2870 #9F9328

split-complementary

#289F57 #93289F #9F2835

monochromatic

#0F3D21 #1C6E3C #289F57 #37CD72 #68D995

Accessibility & contrast

On white

3.39

#289F57 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#289F57 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289F57

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289F57	#FFFFFF	#000000	##000000
##289F57	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F9152

Deuteranopia (green-blind)

#91875C

Tritanopia (blue-blind)

#009D8E

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #289f57;
/* rgb */ color: rgb(40, 159, 87);
/* oklch */ color: oklch(62.1% 0.149 151.9);

Tailwind

colors: {
  custom: {
    50: '#74bc87',
    500: '#289f57',
    950: '#000000',
  },
}

SCSS

$custom: #289f57;
$custom-light: #74bc87;
$custom-dark: #000000;

JSON

{
  "hex": "#289f57",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 87
  },
  "hsl": {
    "h": 143.697,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.62122,
    "c": 0.14861,
    "h": 151.9
  },
  "luminance": 0.25936
}

Semantic roles & 50–950 ramp

primary

#289F57

secondary

#BF649B

accent

#45A5E3

background

#F7FBF8

surface

#EEF6EF

border

#C9D0CA

text

#09120B

muted

#7B817C

Preview Lab

Preview with #289F57

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

Preview Lab → · Contrast checker → · Palette generator →