#289C4E#289C4E

#289C4E is a mid, vivid green. Relative luminance 0.248; OKLCH L 61.2% C 0.153 H 149.7°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#289C4E
RGB	rgb(40, 156, 78)
HSL	hsl(140, 59%, 38%)
HSV	hsv(140, 74%, 61%)
CMYK	cmyk(74.4%, 0%, 50%, 38.8%)
CIE-LAB	lab(56.86, -49.12, 31.79)
CIE-LCH	lch(56.86, 58.51, 147.09°)
OKLab	oklab(61.16% -0.1321 0.0773)
OKLCH	oklch(61.16% 0.153 149.7)
XYZ	xyz(14.1375, 24.7765, 11.2435)
Luminance	0.2478 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289C4E #9C2876

analogous

#3C9C28 #289C4E #289C88

triadic

#289C4E #4E289C #9C4E28

tetradic

#289C4E #283C9C #9C2876 #9C8828

square

#289C4E #283C9C #9C2876 #9C8828

split-complementary

#289C4E #88289C #9C283C

monochromatic

#0F3B1D #1C6B36 #289C4E #36CB67 #67D88C

Accessibility & contrast

On white

3.53

#289C4E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#289C4E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289C4E

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289C4E	#FFFFFF	#000000	##000000
##289C4E	1.00	3.53	5.96	5.96
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D8E48

Deuteranopia (green-blind)

#8F8554

Tritanopia (blue-blind)

#00998A

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #289c4e;
/* rgb */ color: rgb(40, 156, 78);
/* oklch */ color: oklch(61.2% 0.153 149.7);

Tailwind

colors: {
  custom: {
    50: '#74ba81',
    500: '#289c4e',
    950: '#000000',
  },
}

SCSS

$custom: #289c4e;
$custom-light: #74ba81;
$custom-dark: #000000;

JSON

{
  "hex": "#289c4e",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 78
  },
  "hsl": {
    "h": 139.655,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.61155,
    "c": 0.15305,
    "h": 149.7
  },
  "luminance": 0.24778
}

Semantic roles & 50–950 ramp

primary

#289C4E

secondary

#BE62A0

accent

#45AFE2

background

#F7FBF7

surface

#EEF6EE

border

#C9D0C9

text

#09120A

muted

#7B817C

Preview Lab

Preview with #289C4E

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

Preview Lab → · Contrast checker → · Palette generator →