#289B40#289B40

#289B40 is a mid, vivid green. Relative luminance 0.243; OKLCH L 60.7% C 0.164 H 146.5°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#289B40
RGB	rgb(40, 155, 64)
HSL	hsl(133, 59%, 38%)
HSV	hsv(133, 74%, 61%)
CMYK	cmyk(74.2%, 0%, 58.7%, 39.2%)
CIE-LAB	lab(56.35, -50.84, 38.20)
CIE-LCH	lch(56.35, 63.60, 143.08°)
OKLab	oklab(60.68% -0.137 0.0906)
OKLCH	oklch(60.68% 0.164 146.5)
XYZ	xyz(13.5208, 24.2624, 8.8200)
Luminance	0.2426 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289B40 #9B2883

analogous

#499B28 #289B40 #289B79

triadic

#289B40 #40289B #9B4028

tetradic

#289B40 #28499B #9B2883 #9B7928

square

#289B40 #28499B #9B2883 #9B7928

split-complementary

#289B40 #79289B #9B2849

monochromatic

#0F3A18 #1B6A2C #289B40 #35CB54 #66D77E

Accessibility & contrast

On white

3.59

#289B40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#289B40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289B40

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289B40	#FFFFFF	#000000	##000000
##289B40	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D8D37

Deuteranopia (green-blind)

#908347

Tritanopia (blue-blind)

#009787

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #289b40;
/* rgb */ color: rgb(40, 155, 64);
/* oklch */ color: oklch(60.7% 0.164 146.5);

Tailwind

colors: {
  custom: {
    50: '#74ba78',
    500: '#289b40',
    950: '#000000',
  },
}

SCSS

$custom: #289b40;
$custom-light: #74ba78;
$custom-dark: #000000;

JSON

{
  "hex": "#289b40",
  "rgb": {
    "r": 40,
    "g": 155,
    "b": 64
  },
  "hsl": {
    "h": 132.522,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.60678,
    "c": 0.16425,
    "h": 146.5
  },
  "luminance": 0.24264
}

Semantic roles & 50–950 ramp

primary

#289B40

secondary

#BD61AA

accent

#46C1E2

background

#F7FBF7

surface

#EEF6ED

border

#C9D0C8

text

#091209

muted

#7B817B

Preview Lab

Preview with #289B40

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

Preview Lab → · Contrast checker → · Palette generator →