#123E20

Closest named color: Evergreen (#05472A). oklch(32.5% 0.071 150.8), rgb(18, 62, 32).

Aa

White text reads best on this color (12.09:1).

About this color

#123E20 is a dark, moderately saturated green. In OKLCH its lightness is 32%, its chroma 0.071 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.030 away. White text reads best on it, at 12.09:1.

Hue familyGreens
Lightnessdark (32%)
Chromamoderately saturated (0.071)
Temperaturein between
Nearest nameEvergreen (#05472A)
Black text1.73:1
White text12.09:1

Values

HEX#123E20
RGBrgb(18, 62, 32)
HSLhsl(139, 55%, 16%)
OKLCHoklch(32.5% 0.071 150.8)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #123E20 12.09:1 AAA Lc -101.0 Preferred for body text
Black text on #123E20 1.73:1 Fails Lc 0.0 Not readable
#123E20 text on white 12.09:1 AAA Lc 97.4 Preferred for body text
#123E20 text on black 1.73:1 Fails Lc 0.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.

  1. Step 50

    50

    #F2F7F3

    oklch(97.1% 0.007 151.9)

  2. Step 100

    100

    #E3EDE5

    oklch(93.6% 0.015 151.8)

  3. Step 200

    200

    #CCDFCF

    oklch(88.5% 0.03 150.1)

  4. Step 300

    300

    #A8CBAF

    oklch(80.9% 0.054 151)

  5. Step 400

    400

    #78B085

    oklch(70.6% 0.086 151)

  6. Step 500

    500

    #539C66

    oklch(63.1% 0.11 150.6)

  7. Step 600

    600

    #34864D

    oklch(55.5% 0.119 150.7)

  8. Step 700

    700

    #25723E

    oklch(49.1% 0.111 150.7)

  9. Step 800

    800

    #215D34

    oklch(42.8% 0.092 151)

  10. Step 900

    900 (this color)

    #123E20

    oklch(32.5% 0.071 150.8)

  11. Step 950

    950

    #142D1B

    oklch(27.1% 0.046 151.4)

Export this scale for Tailwind in the Tailwind colors tool

#123E20 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#3E381E0.060
Deuteranopia (no green cones)#3934220.060
Tritanopia (no blue cones)#043D370.039
Achromatopsia (no color)#3636360.072

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #123E20

    #123E20

    oklch(32.5% 0.071 150.8)

  • #482545

    #482545

    oklch(32.4% 0.072 330.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #123E20

    #123E20

    oklch(32.5% 0.071 150.8)

  • #2F3907

    #2F3907

    oklch(32.4% 0.071 120.6)

  • #003E36

    #003E36

    oklch(32.6% 0.059 180.9)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #123E20

    #123E20

    oklch(32.5% 0.071 150.8)

  • #3A2A53

    #3A2A53

    oklch(32.4% 0.073 300.4)

  • #512332

    #512332

    oklch(32.6% 0.071 1.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #123E20

    #123E20

    oklch(32.5% 0.071 150.8)

  • #273158

    #273158

    oklch(32.5% 0.071 271.2)

  • #53241D

    #53241D

    oklch(32.5% 0.072 30.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #123E20

    #123E20

    oklch(32.5% 0.071 150.8)

  • #053855

    #053855

    oklch(32.6% 0.072 240.6)

  • #482545

    #482545

    oklch(32.4% 0.072 330.3)

  • #4E2A04

    #4E2A04

    oklch(32.5% 0.072 60.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #123E20, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #123E20 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.