#289E5B#289E5B

#289E5B is a mid, vivid green. Relative luminance 0.257; OKLCH L 61.9% C 0.143 H 153.3°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#289E5B
RGB	rgb(40, 158, 91)
HSL	hsl(146, 60%, 39%)
HSV	hsv(146, 75%, 62%)
CMYK	cmyk(74.7%, 0%, 42.4%, 38%)
CIE-LAB	lab(57.71, -47.59, 26.00)
CIE-LCH	lch(57.71, 54.23, 151.35°)
OKLab	oklab(61.93% -0.1282 0.0645)
OKLCH	oklch(61.93% 0.143 153.3)
XYZ	xyz(14.9889, 25.6584, 14.0581)
Luminance	0.2566 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289E5B #9E286B

analogous

#309E28 #289E5B #289E96

triadic

#289E5B #5B289E #9E5B28

tetradic

#289E5B #28309E #9E286B #9E9628

square

#289E5B #28309E #9E286B #9E9628

split-complementary

#289E5B #96289E #9E2830

monochromatic

#0F3C23 #1C6D3F #289E5B #37CC77 #68D999

Accessibility & contrast

On white

3.42

#289E5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#289E5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289E5B

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289E5B	#FFFFFF	#000000	##000000
##289E5B	1.00	3.42	6.13	6.13
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E9156

Deuteranopia (green-blind)

#908760

Tritanopia (blue-blind)

#009C8D

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #289e5b;
/* rgb */ color: rgb(40, 158, 91);
/* oklch */ color: oklch(61.9% 0.143 153.3);

Tailwind

colors: {
  custom: {
    50: '#74bc8a',
    500: '#289e5b',
    950: '#000000',
  },
}

SCSS

$custom: #289e5b;
$custom-light: #74bc8a;
$custom-dark: #000000;

JSON

{
  "hex": "#289e5b",
  "rgb": {
    "r": 40,
    "g": 158,
    "b": 91
  },
  "hsl": {
    "h": 145.932,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.61926,
    "c": 0.14348,
    "h": 153.3
  },
  "luminance": 0.2566
}

Semantic roles & 50–950 ramp

primary

#289E5B

secondary

#BF6397

accent

#459FE3

background

#F7FBF8

surface

#EEF6F0

border

#C9D0CB

text

#09120C

muted

#7B817D

Preview Lab

Preview with #289E5B

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

Preview Lab → · Contrast checker → · Palette generator →