#289B51#289B51

#289B51 is a mid, vivid green. Relative luminance 0.245; OKLCH L 60.9% C 0.149 H 150.6°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#289B51
RGB	rgb(40, 155, 81)
HSL	hsl(141, 59%, 38%)
HSV	hsv(141, 74%, 61%)
CMYK	cmyk(74.2%, 0%, 47.7%, 39.2%)
CIE-LAB	lab(56.57, -48.25, 29.86)
CIE-LCH	lch(56.57, 56.74, 148.25°)
OKLab	oklab(60.93% -0.1298 0.073)
OKLCH	oklch(60.93% 0.149 150.6)
XYZ	xyz(14.0804, 24.4863, 11.7672)
Luminance	0.2449 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289B51 #9B2872

analogous

#399B28 #289B51 #289B8A

triadic

#289B51 #51289B #9B5128

tetradic

#289B51 #28399B #9B2872 #9B8A28

square

#289B51 #28399B #9B2872 #9B8A28

split-complementary

#289B51 #8A289B #9B2839

monochromatic

#0F3A1E #1B6A38 #289B51 #35CB6B #66D78E

Accessibility & contrast

On white

3.56

#289B51 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#289B51 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289B51

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289B51	#FFFFFF	#000000	##000000
##289B51	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9C8D4B

Deuteranopia (green-blind)

#8E8456

Tritanopia (blue-blind)

#009889

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #289b51;
/* rgb */ color: rgb(40, 155, 81);
/* oklch */ color: oklch(60.9% 0.149 150.6);

Tailwind

colors: {
  custom: {
    50: '#73b983',
    500: '#289b51',
    950: '#000000',
  },
}

SCSS

$custom: #289b51;
$custom-light: #73b983;
$custom-dark: #000000;

JSON

{
  "hex": "#289b51",
  "rgb": {
    "r": 40,
    "g": 155,
    "b": 81
  },
  "hsl": {
    "h": 141.391,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.60933,
    "c": 0.14892,
    "h": 150.6
  },
  "luminance": 0.24488
}

Semantic roles & 50–950 ramp

primary

#289B51

secondary

#BD619D

accent

#46AAE2

background

#F7FBF8

surface

#EDF6EF

border

#C8D0CA

text

#09120B

muted

#7B817C

Preview Lab

Preview with #289B51

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

Preview Lab → · Contrast checker → · Palette generator →