#289B5E#289B5E

#289B5E is a mid, vivid green. Relative luminance 0.247; OKLCH L 61.2% C 0.137 H 155.0°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#289B5E
RGB	rgb(40, 155, 94)
HSL	hsl(148, 59%, 38%)
HSV	hsv(148, 74%, 61%)
CMYK	cmyk(74.2%, 0%, 39.4%, 39.2%)
CIE-LAB	lab(56.78, -45.84, 23.15)
CIE-LCH	lch(56.78, 51.36, 153.20°)
OKLab	oklab(61.18% -0.1237 0.0578)
OKLCH	oklch(61.18% 0.137 155)
XYZ	xyz(14.6154, 24.7003, 14.5849)
Luminance	0.2470 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289B5E #9B2865

analogous

#2B9B28 #289B5E #289B97

triadic

#289B5E #5E289B #9B5E28

tetradic

#289B5E #282B9B #9B2865 #9B9728

square

#289B5E #282B9B #9B2865 #9B9728

split-complementary

#289B5E #97289B #9B282B

monochromatic

#0F3A23 #1B6A40 #289B5E #35CB7C #66D79B

Accessibility & contrast

On white

3.54

#289B5E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#289B5E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289B5E

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289B5E	#FFFFFF	#000000	##000000
##289B5E	1.00	3.54	5.94	5.94
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9A8E5A

Deuteranopia (green-blind)

#8D8462

Tritanopia (blue-blind)

#00998C

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #289b5e;
/* rgb */ color: rgb(40, 155, 94);
/* oklch */ color: oklch(61.2% 0.137 155.0);

Tailwind

colors: {
  custom: {
    50: '#73b98c',
    500: '#289b5e',
    950: '#000000',
  },
}

SCSS

$custom: #289b5e;
$custom-light: #73b98c;
$custom-dark: #000000;

JSON

{
  "hex": "#289b5e",
  "rgb": {
    "r": 40,
    "g": 155,
    "b": 94
  },
  "hsl": {
    "h": 148.174,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.61176,
    "c": 0.13656,
    "h": 155
  },
  "luminance": 0.24702
}

Semantic roles & 50–950 ramp

primary

#289B5E

secondary

#BD6192

accent

#4699E2

background

#F7FBF8

surface

#EDF6F0

border

#C8D0CB

text

#09120C

muted

#7B817D

Preview Lab

Preview with #289B5E

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

Preview Lab → · Contrast checker → · Palette generator →