#289F4E#289F4E

#289F4E is a mid, vivid green. Relative luminance 0.258; OKLCH L 62.0% C 0.157 H 149.3°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#289F4E
RGB	rgb(40, 159, 78)
HSL	hsl(139, 60%, 39%)
HSV	hsv(139, 75%, 62%)
CMYK	cmyk(74.8%, 0%, 50.9%, 37.6%)
CIE-LAB	lab(57.84, -50.22, 33.01)
CIE-LCH	lch(57.84, 60.10, 146.68°)
OKLab	oklab(61.97% -0.1351 0.0801)
OKLCH	oklch(61.97% 0.157 149.3)
XYZ	xyz(14.6472, 25.7958, 11.4134)
Luminance	0.2580 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289F4E #9F2879

analogous

#3D9F28 #289F4E #289F8A

triadic

#289F4E #4E289F #9F4E28

tetradic

#289F4E #283D9F #9F2879 #9F8A28

square

#289F4E #283D9F #9F2879 #9F8A28

split-complementary

#289F4E #8A289F #9F283D

monochromatic

#0F3D1E #1C6E36 #289F4E #37CD67 #68D98C

Accessibility & contrast

On white

3.41

#289F4E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#289F4E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289F4E

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289F4E	#FFFFFF	#000000	##000000
##289F4E	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A09147

Deuteranopia (green-blind)

#928754

Tritanopia (blue-blind)

#009C8C

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #289f4e;
/* rgb */ color: rgb(40, 159, 78);
/* oklch */ color: oklch(62.0% 0.157 149.3);

Tailwind

colors: {
  custom: {
    50: '#74bc81',
    500: '#289f4e',
    950: '#000000',
  },
}

SCSS

$custom: #289f4e;
$custom-light: #74bc81;
$custom-dark: #000000;

JSON

{
  "hex": "#289f4e",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 78
  },
  "hsl": {
    "h": 139.16,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.6197,
    "c": 0.157,
    "h": 149.3
  },
  "luminance": 0.25797
}

Semantic roles & 50–950 ramp

primary

#289F4E

secondary

#BF64A2

accent

#45B0E3

background

#F7FBF8

surface

#EEF7EF

border

#C9D0CA

text

#09120A

muted

#7B817C

Preview Lab

Preview with #289F4E

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

Preview Lab → · Contrast checker → · Palette generator →