#257E4F#257E4F

#257E4F is a mid, moderate green. Relative luminance 0.159; OKLCH L 52.9% C 0.112 H 155.8°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#257E4F
RGB	rgb(37, 126, 79)
HSL	hsl(148, 55%, 32%)
HSV	hsv(148, 71%, 49%)
CMYK	cmyk(70.6%, 0%, 37.3%, 50.6%)
CIE-LAB	lab(46.81, -37.62, 18.21)
CIE-LCH	lch(46.81, 41.80, 154.18°)
OKLab	oklab(52.86% -0.1019 0.0457)
OKLCH	oklch(52.86% 0.112 155.8)
XYZ	xyz(9.6342, 15.8785, 9.9527)
Luminance	0.1588 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257E4F #7E2554

analogous

#277E25 #257E4F #257E7C

triadic

#257E4F #4F257E #7E4F25

tetradic

#257E4F #25277E #7E2554 #7E7C25

square

#257E4F #25277E #7E2554 #7E7C25

split-complementary

#257E4F #7C257E #7E2527

monochromatic

#091F14 #174F31 #257E4F #33AD6D #51CC8B

Accessibility & contrast

On white

5.03

#257E4F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#257E4F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257E4F

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257E4F	#FFFFFF	#000000	##FFFFFF
##257E4F	1.00	5.03	4.18	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D744C

Deuteranopia (green-blind)

#726C52

Tritanopia (blue-blind)

#007D72

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #257e4f;
/* rgb */ color: rgb(37, 126, 79);
/* oklch */ color: oklch(52.9% 0.112 155.8);

Tailwind

colors: {
  custom: {
    50: '#6ca480',
    500: '#257e4f',
    950: '#000000',
  },
}

SCSS

$custom: #257e4f;
$custom-light: #6ca480;
$custom-dark: #000000;

JSON

{
  "hex": "#257e4f",
  "rgb": {
    "r": 37,
    "g": 126,
    "b": 79
  },
  "hsl": {
    "h": 148.315,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.52857,
    "c": 0.11165,
    "h": 155.8
  },
  "luminance": 0.1588
}

Semantic roles & 50–950 ramp

primary

#257E4F

secondary

#B04F82

accent

#4A98DE

background

#F6FAF7

surface

#ECF4EE

border

#C7CEC9

text

#070F0A

muted

#7A7F7C

Preview Lab

Preview with #257E4F

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

Preview Lab → · Contrast checker → · Palette generator →