#289F3B#289F3B

#289F3B is a mid, vivid green. Relative luminance 0.256; OKLCH L 61.7% C 0.173 H 145.4°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#289F3B
RGB	rgb(40, 159, 59)
HSL	hsl(130, 60%, 39%)
HSV	hsv(130, 75%, 62%)
CMYK	cmyk(74.8%, 0%, 62.9%, 37.6%)
CIE-LAB	lab(57.62, -52.88, 42.03)
CIE-LCH	lch(57.62, 67.54, 141.52°)
OKLab	oklab(61.71% -0.1427 0.0984)
OKLCH	oklch(61.71% 0.173 145.4)
XYZ	xyz(14.0616, 25.5615, 8.3296)
Luminance	0.2556 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289F3B #9F288C

analogous

#519F28 #289F3B #289F77

triadic

#289F3B #3B289F #9F3B28

tetradic

#289F3B #28519F #9F288C #9F7728

square

#289F3B #28519F #9F288C #9F7728

split-complementary

#289F3B #77289F #9F2851

monochromatic

#0F3D17 #1C6E29 #289F3B #37CD4F #68D97A

Accessibility & contrast

On white

3.44

#289F3B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#289F3B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289F3B

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289F3B	#FFFFFF	#000000	##000000
##289F3B	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A29030

Deuteranopia (green-blind)

#948744

Tritanopia (blue-blind)

#009B8A

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #289f3b;
/* rgb */ color: rgb(40, 159, 59);
/* oklch */ color: oklch(61.7% 0.173 145.4);

Tailwind

colors: {
  custom: {
    50: '#75bc75',
    500: '#289f3b',
    950: '#000000',
  },
}

SCSS

$custom: #289f3b;
$custom-light: #75bc75;
$custom-dark: #000000;

JSON

{
  "hex": "#289f3b",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 59
  },
  "hsl": {
    "h": 129.58,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.61712,
    "c": 0.17333,
    "h": 145.4
  },
  "luminance": 0.25563
}

Semantic roles & 50–950 ramp

primary

#289F3B

secondary

#BF64B1

accent

#45CAE3

background

#F7FBF7

surface

#EEF7ED

border

#C9D0C8

text

#0A1208

muted

#7C817B

Preview Lab

Preview with #289F3B

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

Preview Lab → · Contrast checker → · Palette generator →