#289F3F#289F3F

#289F3F is a mid, vivid green. Relative luminance 0.256; OKLCH L 61.8% C 0.170 H 146.1°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#289F3F
RGB	rgb(40, 159, 63)
HSL	hsl(132, 60%, 39%)
HSV	hsv(132, 75%, 62%)
CMYK	cmyk(74.8%, 0%, 60.4%, 37.6%)
CIE-LAB	lab(57.66, -52.38, 40.21)
CIE-LCH	lch(57.66, 66.04, 142.49°)
OKLab	oklab(61.76% -0.1412 0.0949)
OKLCH	oklch(61.76% 0.17 146.1)
XYZ	xyz(14.1694, 25.6046, 8.8971)
Luminance	0.2561 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289F3F #9F2888

analogous

#4D9F28 #289F3F #289F7B

triadic

#289F3F #3F289F #9F3F28

tetradic

#289F3F #284D9F #9F2888 #9F7B28

square

#289F3F #284D9F #9F2888 #9F7B28

split-complementary

#289F3F #7B289F #9F284D

monochromatic

#0F3D18 #1C6E2C #289F3F #37CD54 #68D97E

Accessibility & contrast

On white

3.43

#289F3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#289F3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289F3F

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289F3F	#FFFFFF	#000000	##000000
##289F3F	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A19035

Deuteranopia (green-blind)

#948747

Tritanopia (blue-blind)

#009B8A

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #289f3f;
/* rgb */ color: rgb(40, 159, 63);
/* oklch */ color: oklch(61.8% 0.170 146.1);

Tailwind

colors: {
  custom: {
    50: '#75bc77',
    500: '#289f3f',
    950: '#000000',
  },
}

SCSS

$custom: #289f3f;
$custom-light: #75bc77;
$custom-dark: #000000;

JSON

{
  "hex": "#289f3f",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 63
  },
  "hsl": {
    "h": 131.597,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.6176,
    "c": 0.17011,
    "h": 146.1
  },
  "luminance": 0.25606
}

Semantic roles & 50–950 ramp

primary

#289F3F

secondary

#BF64AE

accent

#45C4E3

background

#F7FBF7

surface

#EEF7ED

border

#C9D0C8

text

#0A1209

muted

#7C817B

Preview Lab

Preview with #289F3F

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

Preview Lab → · Contrast checker → · Palette generator →