#289C4F#289C4F

#289C4F is a mid, vivid green. Relative luminance 0.248; OKLCH L 61.2% C 0.152 H 149.9°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#289C4F
RGB	rgb(40, 156, 79)
HSL	hsl(140, 59%, 38%)
HSV	hsv(140, 74%, 61%)
CMYK	cmyk(74.4%, 0%, 49.4%, 38.8%)
CIE-LAB	lab(56.87, -48.95, 31.28)
CIE-LCH	lch(56.87, 58.10, 147.42°)
OKLab	oklab(61.17% -0.1317 0.0762)
OKLCH	oklch(61.17% 0.152 149.9)
XYZ	xyz(14.1737, 24.7909, 11.4338)
Luminance	0.2479 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289C4F #9C2875

analogous

#3B9C28 #289C4F #289C89

triadic

#289C4F #4F289C #9C4F28

tetradic

#289C4F #283B9C #9C2875 #9C8928

square

#289C4F #283B9C #9C2875 #9C8928

split-complementary

#289C4F #89289C #9C283B

monochromatic

#0F3B1E #1C6B36 #289C4F #36CB68 #67D88D

Accessibility & contrast

On white

3.52

#289C4F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#289C4F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289C4F

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289C4F	#FFFFFF	#000000	##000000
##289C4F	1.00	3.52	5.96	5.96
#FFFFFF	3.52	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)

#9D8E49

Deuteranopia (green-blind)

#8F8555

Tritanopia (blue-blind)

#00998A

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #289c4f;
/* rgb */ color: rgb(40, 156, 79);
/* oklch */ color: oklch(61.2% 0.152 149.9);

Tailwind

colors: {
  custom: {
    50: '#74ba82',
    500: '#289c4f',
    950: '#000000',
  },
}

SCSS

$custom: #289c4f;
$custom-light: #74ba82;
$custom-dark: #000000;

JSON

{
  "hex": "#289c4f",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 79
  },
  "hsl": {
    "h": 140.172,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.61171,
    "c": 0.15212,
    "h": 149.9
  },
  "luminance": 0.24793
}

Semantic roles & 50–950 ramp

primary

#289C4F

secondary

#BE629F

accent

#45AEE2

background

#F7FBF8

surface

#EEF6EF

border

#C9D0CA

text

#09120A

muted

#7B817C

Preview Lab

Preview with #289C4F

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

Preview Lab → · Contrast checker → · Palette generator →