#289F5B#289F5B

#289F5B is a light, vivid green. Relative luminance 0.260; OKLCH L 62.2% C 0.145 H 153.1°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#289F5B
RGB	rgb(40, 159, 91)
HSL	hsl(146, 60%, 39%)
HSV	hsv(146, 75%, 62%)
CMYK	cmyk(74.8%, 0%, 42.8%, 37.6%)
CIE-LAB	lab(58.04, -47.97, 26.43)
CIE-LCH	lch(58.04, 54.77, 151.15°)
OKLab	oklab(62.2% -0.1292 0.0654)
OKLCH	oklch(62.2% 0.145 153.1)
XYZ	xyz(15.1602, 26.0010, 14.1152)
Luminance	0.2600 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289F5B #9F286C

analogous

#319F28 #289F5B #289F97

triadic

#289F5B #5B289F #9F5B28

tetradic

#289F5B #28319F #9F286C #9F9728

square

#289F5B #28319F #9F286C #9F9728

split-complementary

#289F5B #97289F #9F2831

monochromatic

#0F3D23 #1C6E3F #289F5B #37CD77 #68D999

Accessibility & contrast

On white

3.39

#289F5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#289F5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289F5B

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289F5B	#FFFFFF	#000000	##000000
##289F5B	1.00	3.39	6.20	6.20
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F9256

Deuteranopia (green-blind)

#918760

Tritanopia (blue-blind)

#009D8E

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #289f5b;
/* rgb */ color: rgb(40, 159, 91);
/* oklch */ color: oklch(62.2% 0.145 153.1);

Tailwind

colors: {
  custom: {
    50: '#74bc8a',
    500: '#289f5b',
    950: '#000000',
  },
}

SCSS

$custom: #289f5b;
$custom-light: #74bc8a;
$custom-dark: #000000;

JSON

{
  "hex": "#289f5b",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 91
  },
  "hsl": {
    "h": 145.714,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.62196,
    "c": 0.14482,
    "h": 153.1
  },
  "luminance": 0.26003
}

Semantic roles & 50–950 ramp

primary

#289F5B

secondary

#BF6498

accent

#459FE3

background

#F7FBF8

surface

#EEF6F0

border

#C9D0CB

text

#09120C

muted

#7B817D

Preview Lab

Preview with #289F5B

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

Preview Lab → · Contrast checker → · Palette generator →