#289D51#289D51

#289D51 is a mid, vivid green. Relative luminance 0.252; OKLCH L 61.5% C 0.152 H 150.4°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#289D51
RGB	rgb(40, 157, 81)
HSL	hsl(141, 59%, 39%)
HSV	hsv(141, 75%, 62%)
CMYK	cmyk(74.5%, 0%, 48.4%, 38.4%)
CIE-LAB	lab(57.23, -48.99, 30.69)
CIE-LCH	lch(57.23, 57.81, 147.94°)
OKLab	oklab(61.48% -0.1318 0.0749)
OKLCH	oklch(61.48% 0.152 150.4)
XYZ	xyz(14.4160, 25.1575, 11.8791)
Luminance	0.2516 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289D51 #9D2874

analogous

#399D28 #289D51 #289D8B

triadic

#289D51 #51289D #9D5128

tetradic

#289D51 #28399D #9D2874 #9D8B28

square

#289D51 #28399D #9D2874 #9D8B28

split-complementary

#289D51 #8B289D #9D2839

monochromatic

#0F3B1F #1C6C38 #289D51 #36CC6B #67D88F

Accessibility & contrast

On white

3.48

#289D51 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#289D51 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289D51

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289D51	#FFFFFF	#000000	##000000
##289D51	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E8F4B

Deuteranopia (green-blind)

#908656

Tritanopia (blue-blind)

#009A8B

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #289d51;
/* rgb */ color: rgb(40, 157, 81);
/* oklch */ color: oklch(61.5% 0.152 150.4);

Tailwind

colors: {
  custom: {
    50: '#74bb83',
    500: '#289d51',
    950: '#000000',
  },
}

SCSS

$custom: #289d51;
$custom-light: #74bb83;
$custom-dark: #000000;

JSON

{
  "hex": "#289d51",
  "rgb": {
    "r": 40,
    "g": 157,
    "b": 81
  },
  "hsl": {
    "h": 141.026,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.61476,
    "c": 0.15158,
    "h": 150.4
  },
  "luminance": 0.25159
}

Semantic roles & 50–950 ramp

primary

#289D51

secondary

#BE629E

accent

#45ABE3

background

#F7FBF8

surface

#EEF6EF

border

#C9D0CA

text

#09120B

muted

#7B817C

Preview Lab

Preview with #289D51

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

Preview Lab → · Contrast checker → · Palette generator →