#289F4C#289F4C

#289F4C is a mid, vivid green. Relative luminance 0.258; OKLCH L 61.9% C 0.159 H 148.8°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#289F4C
RGB	rgb(40, 159, 76)
HSL	hsl(138, 60%, 39%)
HSV	hsv(138, 75%, 62%)
CMYK	cmyk(74.8%, 0%, 52.2%, 37.6%)
CIE-LAB	lab(57.82, -50.54, 34.00)
CIE-LCH	lch(57.82, 60.91, 146.07°)
OKLab	oklab(61.94% -0.1359 0.0822)
OKLCH	oklch(61.94% 0.159 148.8)
XYZ	xyz(14.5766, 25.7675, 11.0415)
Luminance	0.2577 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289F4C #9F287B

analogous

#409F28 #289F4C #289F88

triadic

#289F4C #4C289F #9F4C28

tetradic

#289F4C #28409F #9F287B #9F8828

square

#289F4C #28409F #9F287B #9F8828

split-complementary

#289F4C #88289F #9F2840

monochromatic

#0F3D1D #1C6E35 #289F4C #37CD65 #68D98A

Accessibility & contrast

On white

3.41

#289F4C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#289F4C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289F4C

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289F4C	#FFFFFF	#000000	##000000
##289F4C	1.00	3.41	6.15	6.15
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A09145

Deuteranopia (green-blind)

#938752

Tritanopia (blue-blind)

#009C8C

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #289f4c;
/* rgb */ color: rgb(40, 159, 76);
/* oklch */ color: oklch(61.9% 0.159 148.8);

Tailwind

colors: {
  custom: {
    50: '#74bc80',
    500: '#289f4c',
    950: '#000000',
  },
}

SCSS

$custom: #289f4c;
$custom-light: #74bc80;
$custom-dark: #000000;

JSON

{
  "hex": "#289f4c",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 76
  },
  "hsl": {
    "h": 138.151,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.61939,
    "c": 0.15882,
    "h": 148.8
  },
  "luminance": 0.25769
}

Semantic roles & 50–950 ramp

primary

#289F4C

secondary

#BF64A4

accent

#45B3E3

background

#F7FBF7

surface

#EEF7EE

border

#C9D0C9

text

#09120A

muted

#7B817C

Preview Lab

Preview with #289F4C

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

Preview Lab → · Contrast checker → · Palette generator →