#289F2B#289F2B

#289F2B is a mid, vivid green. Relative luminance 0.254; OKLCH L 61.6% C 0.185 H 143.2°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#289F2B
RGB	rgb(40, 159, 43)
HSL	hsl(122, 60%, 39%)
HSV	hsv(122, 75%, 62%)
CMYK	cmyk(74.8%, 0%, 73%, 37.6%)
CIE-LAB	lab(57.48, -54.52, 48.65)
CIE-LCH	lch(57.48, 73.07, 138.26°)
OKLab	oklab(61.56% -0.1479 0.1106)
OKLCH	oklch(61.56% 0.185 143.2)
XYZ	xyz(13.7084, 25.4202, 6.4692)
Luminance	0.2542 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289F2B #9F289C

analogous

#619F28 #289F2B #289F67

triadic

#289F2B #2B289F #9F2B28

tetradic

#289F2B #28619F #9F289C #9F6728

square

#289F2B #28619F #9F289C #9F6728

split-complementary

#289F2B #67289F #9F2861

monochromatic

#0F3D11 #1C6E1E #289F2B #37CD3B #68D96B

Accessibility & contrast

On white

3.45

#289F2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#289F2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289F2B

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289F2B	#FFFFFF	#000000	##000000
##289F2B	1.00	3.45	6.08	6.08
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A29017

Deuteranopia (green-blind)

#958637

Tritanopia (blue-blind)

#009A88

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #289f2b;
/* rgb */ color: rgb(40, 159, 43);
/* oklch */ color: oklch(61.6% 0.185 143.2);

Tailwind

colors: {
  custom: {
    50: '#76bc6c',
    500: '#289f2b',
    950: '#000000',
  },
}

SCSS

$custom: #289f2b;
$custom-light: #76bc6c;
$custom-dark: #000000;

JSON

{
  "hex": "#289f2b",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 43
  },
  "hsl": {
    "h": 121.513,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.61556,
    "c": 0.18465,
    "h": 143.2
  },
  "luminance": 0.25422
}

Semantic roles & 50–950 ramp

primary

#289F2B

secondary

#BF64BD

accent

#45DFE3

background

#F7FBF6

surface

#EEF7EC

border

#C9D0C7

text

#0A1207

muted

#7C817A

Preview Lab

Preview with #289F2B

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

Preview Lab → · Contrast checker → · Palette generator →