#289E40#289E40

#289E40 is a mid, vivid green. Relative luminance 0.253; OKLCH L 61.5% C 0.168 H 146.3°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#289E40
RGB	rgb(40, 158, 64)
HSL	hsl(132, 60%, 39%)
HSV	hsv(132, 75%, 62%)
CMYK	cmyk(74.7%, 0%, 59.5%, 38%)
CIE-LAB	lab(57.34, -51.90, 39.37)
CIE-LCH	lch(57.34, 65.14, 142.82°)
OKLab	oklab(61.5% -0.1399 0.0931)
OKLCH	oklch(61.5% 0.168 146.3)
XYZ	xyz(14.0263, 25.2734, 8.9885)
Luminance	0.2527 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289E40 #9E2886

analogous

#4B9E28 #289E40 #289E7B

triadic

#289E40 #40289E #9E4028

tetradic

#289E40 #284B9E #9E2886 #9E7B28

square

#289E40 #284B9E #9E2886 #9E7B28

split-complementary

#289E40 #7B289E #9E284B

monochromatic

#0F3C18 #1C6D2C #289E40 #37CC55 #68D97F

Accessibility & contrast

On white

3.47

#289E40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#289E40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289E40

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289E40	#FFFFFF	#000000	##000000
##289E40	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)

#A08F36

Deuteranopia (green-blind)

#938648

Tritanopia (blue-blind)

#009A89

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #289e40;
/* rgb */ color: rgb(40, 158, 64);
/* oklch */ color: oklch(61.5% 0.168 146.3);

Tailwind

colors: {
  custom: {
    50: '#75bc78',
    500: '#289e40',
    950: '#000000',
  },
}

SCSS

$custom: #289e40;
$custom-light: #75bc78;
$custom-dark: #000000;

JSON

{
  "hex": "#289e40",
  "rgb": {
    "r": 40,
    "g": 158,
    "b": 64
  },
  "hsl": {
    "h": 132.203,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.61499,
    "c": 0.16803,
    "h": 146.3
  },
  "luminance": 0.25275
}

Semantic roles & 50–950 ramp

primary

#289E40

secondary

#BF63AC

accent

#45C3E3

background

#F7FBF7

surface

#EEF6ED

border

#C9D0C8

text

#0A1209

muted

#7C817B

Preview Lab

Preview with #289E40

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

Preview Lab → · Contrast checker → · Palette generator →