#289F4A#289F4A

#289F4A is a mid, vivid green. Relative luminance 0.257; OKLCH L 61.9% C 0.161 H 148.4°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#289F4A
RGB	rgb(40, 159, 74)
HSL	hsl(137, 60%, 39%)
HSV	hsv(137, 75%, 62%)
CMYK	cmyk(74.8%, 0%, 53.5%, 37.6%)
CIE-LAB	lab(57.79, -50.84, 34.98)
CIE-LCH	lch(57.79, 61.72, 145.47°)
OKLab	oklab(61.91% -0.1368 0.0842)
OKLCH	oklch(61.91% 0.161 148.4)
XYZ	xyz(14.5081, 25.7401, 10.6810)
Luminance	0.2574 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289F4A #9F287D

analogous

#429F28 #289F4A #289F86

triadic

#289F4A #4A289F #9F4A28

tetradic

#289F4A #28429F #9F287D #9F8628

square

#289F4A #28429F #9F287D #9F8628

split-complementary

#289F4A #86289F #9F2842

monochromatic

#0F3D1C #1C6E33 #289F4A #37CD62 #68D989

Accessibility & contrast

On white

3.42

#289F4A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#289F4A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289F4A

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289F4A	#FFFFFF	#000000	##000000
##289F4A	1.00	3.42	6.15	6.15
#FFFFFF	3.42	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)

#A19142

Deuteranopia (green-blind)

#938750

Tritanopia (blue-blind)

#009C8C

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #289f4a;
/* rgb */ color: rgb(40, 159, 74);
/* oklch */ color: oklch(61.9% 0.161 148.4);

Tailwind

colors: {
  custom: {
    50: '#74bc7e',
    500: '#289f4a',
    950: '#000000',
  },
}

SCSS

$custom: #289f4a;
$custom-light: #74bc7e;
$custom-dark: #000000;

JSON

{
  "hex": "#289f4a",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 74
  },
  "hsl": {
    "h": 137.143,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.61909,
    "c": 0.16063,
    "h": 148.4
  },
  "luminance": 0.25742
}

Semantic roles & 50–950 ramp

primary

#289F4A

secondary

#BF64A5

accent

#45B6E3

background

#F7FBF7

surface

#EEF7EE

border

#C9D0C9

text

#09120A

muted

#7B817C

Preview Lab

Preview with #289F4A

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

Preview Lab → · Contrast checker → · Palette generator →