#289C5F#289C5F

#289C5F is a mid, vivid green. Relative luminance 0.251; OKLCH L 61.5% C 0.137 H 155.1°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#289C5F
RGB	rgb(40, 156, 95)
HSL	hsl(148, 59%, 38%)
HSV	hsv(148, 74%, 61%)
CMYK	cmyk(74.4%, 0%, 39.1%, 38.8%)
CIE-LAB	lab(57.13, -46.04, 23.07)
CIE-LCH	lch(57.13, 51.49, 153.39°)
OKLab	oklab(61.47% -0.1243 0.0576)
OKLCH	oklch(61.47% 0.137 155.1)
XYZ	xyz(14.8277, 25.0526, 14.8784)
Luminance	0.2505 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289C5F #9C2865

analogous

#2B9C28 #289C5F #289C99

triadic

#289C5F #5F289C #9C5F28

tetradic

#289C5F #282B9C #9C2865 #9C9928

square

#289C5F #282B9C #9C2865 #9C9928

split-complementary

#289C5F #99289C #9C282B

monochromatic

#0F3B24 #1C6B41 #289C5F #36CB7D #67D89C

Accessibility & contrast

On white

3.49

#289C5F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#289C5F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289C5F

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289C5F	#FFFFFF	#000000	##000000
##289C5F	1.00	3.49	6.01	6.01
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9B8F5B

Deuteranopia (green-blind)

#8D8563

Tritanopia (blue-blind)

#009A8D

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #289c5f;
/* rgb */ color: rgb(40, 156, 95);
/* oklch */ color: oklch(61.5% 0.137 155.1);

Tailwind

colors: {
  custom: {
    50: '#73ba8d',
    500: '#289c5f',
    950: '#000000',
  },
}

SCSS

$custom: #289c5f;
$custom-light: #73ba8d;
$custom-dark: #000000;

JSON

{
  "hex": "#289c5f",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 95
  },
  "hsl": {
    "h": 148.448,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.61466,
    "c": 0.13697,
    "h": 155.1
  },
  "luminance": 0.25054
}

Semantic roles & 50–950 ramp

primary

#289C5F

secondary

#BE6292

accent

#4598E2

background

#F7FBF8

surface

#EDF6F0

border

#C8D0CB

text

#09120C

muted

#7B817D

Preview Lab

Preview with #289C5F

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

Preview Lab → · Contrast checker → · Palette generator →