#289E50#289E50

#289E50 is a mid, vivid green. Relative luminance 0.255; OKLCH L 61.7% C 0.154 H 150.0°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#289E50
RGB	rgb(40, 158, 80)
HSL	hsl(140, 60%, 39%)
HSV	hsv(140, 75%, 62%)
CMYK	cmyk(74.7%, 0%, 49.4%, 38%)
CIE-LAB	lab(57.54, -49.53, 31.61)
CIE-LCH	lch(57.54, 58.75, 147.46°)
OKLab	oklab(61.73% -0.1332 0.077)
OKLCH	oklch(61.73% 0.154 150)
XYZ	xyz(14.5487, 25.4823, 11.7397)
Luminance	0.2548 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289E50 #9E2876

analogous

#3B9E28 #289E50 #289E8B

triadic

#289E50 #50289E #9E5028

tetradic

#289E50 #283B9E #9E2876 #9E8B28

square

#289E50 #283B9E #9E2876 #9E8B28

split-complementary

#289E50 #8B289E #9E283B

monochromatic

#0F3C1F #1C6D37 #289E50 #37CC6A #68D98E

Accessibility & contrast

On white

3.44

#289E50 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#289E50 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289E50

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289E50	#FFFFFF	#000000	##000000
##289E50	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F904A

Deuteranopia (green-blind)

#918656

Tritanopia (blue-blind)

#009B8C

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #289e50;
/* rgb */ color: rgb(40, 158, 80);
/* oklch */ color: oklch(61.7% 0.154 150.0);

Tailwind

colors: {
  custom: {
    50: '#74bc82',
    500: '#289e50',
    950: '#000000',
  },
}

SCSS

$custom: #289e50;
$custom-light: #74bc82;
$custom-dark: #000000;

JSON

{
  "hex": "#289e50",
  "rgb": {
    "r": 40,
    "g": 158,
    "b": 80
  },
  "hsl": {
    "h": 140.339,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.61731,
    "c": 0.15384,
    "h": 150
  },
  "luminance": 0.25484
}

Semantic roles & 50–950 ramp

primary

#289E50

secondary

#BF63A0

accent

#45ADE3

background

#F7FBF8

surface

#EEF6EF

border

#C9D0CA

text

#09120A

muted

#7B817C

Preview Lab

Preview with #289E50

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

Preview Lab → · Contrast checker → · Palette generator →