#289B4E#289B4E

#289B4E is a mid, vivid green. Relative luminance 0.244; OKLCH L 60.9% C 0.152 H 149.8°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX#289B4E
RGBrgb(40, 155, 78)
HSLhsl(140, 59%, 38%)
HSVhsv(140, 74%, 61%)
CMYKcmyk(74.2%, 0%, 49.7%, 39.2%)
CIE-LABlab(56.53, -48.75, 31.37)
CIE-LCHlch(56.53, 57.97, 147.24°)
OKLaboklab(60.88% -0.1311 0.0763)
OKLCHoklch(60.88% 0.152 149.8)
XYZxyz(13.9704, 24.4423, 11.1878)
Luminance0.2444 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#289B4E #9B2875
analogous
#3B9B28 #289B4E #289B87
triadic
#289B4E #4E289B #9B4E28
tetradic
#289B4E #283B9B #9B2875 #9B8728
square
#289B4E #283B9B #9B2875 #9B8728
split-complementary
#289B4E #87289B #9B283B
monochromatic
#0F3A1D #1B6A36 #289B4E #35CB67 #66D78B

Accessibility & contrast

On white

3.57
#289B4E on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.89
#289B4E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289B4E
5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##289B4E#FFFFFF#000000##000000
##289B4E1.003.575.895.89
#FFFFFF3.571.0021.0021.00
#0000005.8921.001.001.00
##0000005.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#9C8D48
Deuteranopia (green-blind)
#8E8454
Tritanopia (blue-blind)
#009889
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #289b4e;
/* rgb */ color: rgb(40, 155, 78);
/* oklch */ color: oklch(60.9% 0.152 149.8);
Tailwind
colors: {
  custom: {
    50: '#73b981',
    500: '#289b4e',
    950: '#000000',
  },
}
SCSS
$custom: #289b4e;
$custom-light: #73b981;
$custom-dark: #000000;
JSON
{
  "hex": "#289b4e",
  "rgb": {
    "r": 40,
    "g": 155,
    "b": 78
  },
  "hsl": {
    "h": 139.826,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.60883,
    "c": 0.15172,
    "h": 149.8
  },
  "luminance": 0.24444
}

Semantic roles & 50–950 ramp

primary
#289B4E
secondary
#BD619F
accent
#46AEE2
background
#F7FBF7
surface
#EEF6EE
border
#C9D0C9
text
#09120A
muted
#7B817C

Preview Lab

Preview with #289B4E

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

Preview Lab → · Contrast checker → · Palette generator →

#289B4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva