#289C57#289C57

#289C57 is a mid, vivid green. Relative luminance 0.249; OKLCH L 61.3% C 0.145 H 152.3°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#289C57
RGB	rgb(40, 156, 87)
HSL	hsl(144, 59%, 38%)
HSV	hsv(144, 74%, 61%)
CMYK	cmyk(74.4%, 0%, 44.2%, 38.8%)
CIE-LAB	lab(56.99, -47.56, 27.21)
CIE-LCH	lch(56.99, 54.80, 150.22°)
OKLab	oklab(61.31% -0.128 0.0672)
OKLCH	oklch(61.31% 0.145 152.3)
XYZ	xyz(14.4826, 24.9145, 13.0607)
Luminance	0.2492 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289C57 #9C286D

analogous

#339C28 #289C57 #289C91

triadic

#289C57 #57289C #9C5728

tetradic

#289C57 #28339C #9C286D #9C9128

square

#289C57 #28339C #9C286D #9C9128

split-complementary

#289C57 #91289C #9C2833

monochromatic

#0F3B21 #1C6B3C #289C57 #36CB72 #67D894

Accessibility & contrast

On white

3.51

#289C57 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#289C57 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289C57

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289C57	#FFFFFF	#000000	##000000
##289C57	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9C8F52

Deuteranopia (green-blind)

#8E855C

Tritanopia (blue-blind)

#009A8B

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #289c57;
/* rgb */ color: rgb(40, 156, 87);
/* oklch */ color: oklch(61.3% 0.145 152.3);

Tailwind

colors: {
  custom: {
    50: '#73ba87',
    500: '#289c57',
    950: '#000000',
  },
}

SCSS

$custom: #289c57;
$custom-light: #73ba87;
$custom-dark: #000000;

JSON

{
  "hex": "#289c57",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 87
  },
  "hsl": {
    "h": 144.31,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.61311,
    "c": 0.14458,
    "h": 152.3
  },
  "luminance": 0.24916
}

Semantic roles & 50–950 ramp

primary

#289C57

secondary

#BE6299

accent

#45A3E2

background

#F7FBF8

surface

#EEF6EF

border

#C9D0CA

text

#09120B

muted

#7B817C

Preview Lab

Preview with #289C57

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

Preview Lab → · Contrast checker → · Palette generator →