#289E4F#289E4F

#289E4F is a mid, vivid green. Relative luminance 0.255; OKLCH L 61.7% C 0.155 H 149.7°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#289E4F
RGB	rgb(40, 158, 79)
HSL	hsl(140, 60%, 39%)
HSV	hsv(140, 75%, 62%)
CMYK	cmyk(74.7%, 0%, 50%, 38%)
CIE-LAB	lab(57.53, -49.69, 32.11)
CIE-LCH	lch(57.53, 59.16, 147.13°)
OKLab	oklab(61.72% -0.1336 0.0781)
OKLCH	oklch(61.72% 0.155 149.7)
XYZ	xyz(14.5120, 25.4677, 11.5466)
Luminance	0.2547 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289E4F #9E2877

analogous

#3C9E28 #289E4F #289E8A

triadic

#289E4F #4F289E #9E4F28

tetradic

#289E4F #283C9E #9E2877 #9E8A28

square

#289E4F #283C9E #9E2877 #9E8A28

split-complementary

#289E4F #8A289E #9E283C

monochromatic

#0F3C1E #1C6D37 #289E4F #37CC68 #68D98D

Accessibility & contrast

On white

3.45

#289E4F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#289E4F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289E4F

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289E4F	#FFFFFF	#000000	##000000
##289E4F	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F9049

Deuteranopia (green-blind)

#918655

Tritanopia (blue-blind)

#009B8C

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #289e4f;
/* rgb */ color: rgb(40, 158, 79);
/* oklch */ color: oklch(61.7% 0.155 149.7);

Tailwind

colors: {
  custom: {
    50: '#74bc82',
    500: '#289e4f',
    950: '#000000',
  },
}

SCSS

$custom: #289e4f;
$custom-light: #74bc82;
$custom-dark: #000000;

JSON

{
  "hex": "#289e4f",
  "rgb": {
    "r": 40,
    "g": 158,
    "b": 79
  },
  "hsl": {
    "h": 139.831,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.61715,
    "c": 0.15476,
    "h": 149.7
  },
  "luminance": 0.25469
}

Semantic roles & 50–950 ramp

primary

#289E4F

secondary

#BF63A0

accent

#45AFE3

background

#F7FBF8

surface

#EEF6EF

border

#C9D0CA

text

#09120A

muted

#7B817C

Preview Lab

Preview with #289E4F

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

Preview Lab → · Contrast checker → · Palette generator →