#289B57#289B57

#289B57 is a mid, vivid green. Relative luminance 0.246; OKLCH L 61.0% C 0.143 H 152.5°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#289B57
RGB	rgb(40, 155, 87)
HSL	hsl(145, 59%, 38%)
HSV	hsv(145, 74%, 61%)
CMYK	cmyk(74.2%, 0%, 43.9%, 39.2%)
CIE-LAB	lab(56.66, -47.18, 26.79)
CIE-LCH	lch(56.66, 54.26, 150.41°)
OKLab	oklab(61.04% -0.127 0.0662)
OKLCH	oklch(61.04% 0.143 152.5)
XYZ	xyz(14.3155, 24.5803, 13.0050)
Luminance	0.2458 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289B57 #9B286C

analogous

#329B28 #289B57 #289B90

triadic

#289B57 #57289B #9B5728

tetradic

#289B57 #28329B #9B286C #9B9028

square

#289B57 #28329B #9B286C #9B9028

split-complementary

#289B57 #90289B #9B2832

monochromatic

#0F3A20 #1B6A3C #289B57 #35CB72 #66D794

Accessibility & contrast

On white

3.55

#289B57 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#289B57 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289B57

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289B57	#FFFFFF	#000000	##000000
##289B57	1.00	3.55	5.92	5.92
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9B8E52

Deuteranopia (green-blind)

#8D845C

Tritanopia (blue-blind)

#00998A

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #289b57;
/* rgb */ color: rgb(40, 155, 87);
/* oklch */ color: oklch(61.0% 0.143 152.5);

Tailwind

colors: {
  custom: {
    50: '#73b987',
    500: '#289b57',
    950: '#000000',
  },
}

SCSS

$custom: #289b57;
$custom-light: #73b987;
$custom-dark: #000000;

JSON

{
  "hex": "#289b57",
  "rgb": {
    "r": 40,
    "g": 155,
    "b": 87
  },
  "hsl": {
    "h": 144.522,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.6104,
    "c": 0.14323,
    "h": 152.5
  },
  "luminance": 0.24582
}

Semantic roles & 50–950 ramp

primary

#289B57

secondary

#BD6198

accent

#46A2E2

background

#F7FBF8

surface

#EDF6EF

border

#C8D0CA

text

#09120B

muted

#7B817C

Preview Lab

Preview with #289B57

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

Preview Lab → · Contrast checker → · Palette generator →