#12573F
Closest named color: Dark Blue Green (#005249). oklch(40.8% 0.078 164.8), rgb(18, 87, 63).
Aa
White text reads best on this color (8.53:1).
About this color
#12573F is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.078 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.028 away. White text reads best on it, at 8.53:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.46:1 |
| White text | 8.53:1 |
Values
| HEX | #12573F |
| RGB | rgb(18, 87, 63) |
| HSL | hsl(159, 66%, 21%) |
| OKLCH | oklch(40.8% 0.078 164.8) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #12573F | 8.53:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #12573F | 2.46:1 | Fails | Lc 15.0 | Not readable |
| #12573F text on white | 8.53:1 | AAA | Lc 89.0 | Fine for body text |
| #12573F text on black | 2.46:1 | Fails | Lc -13.2 | 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 800.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CBDFD5
oklch(88.6% 0.025 164.4)
-
Step 300
300
#A6CAB9
oklch(80.8% 0.045 165)
-
Step 400
400
#74AF95
oklch(70.6% 0.073 165)
-
Step 500
500
#4C9B7B
oklch(63% 0.093 164.9)
-
Step 600
600
#298664
oklch(55.7% 0.102 164.6)
-
Step 700
700
#1A7153
oklch(49.1% 0.094 164.9)
-
Step 800
800 (this color)
#12573F
oklch(40.8% 0.078 164.8)
-
Step 900
900
#1D4C39
oklch(37.8% 0.061 164.1)
-
Step 950
950
#122C22
oklch(26.9% 0.038 166.4)
#12573F 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #55503E | 0.077 |
| Deuteranopia (no green cones) | #4C4A41 | 0.074 |
| Tritanopia (no blue cones) | #005750 | 0.028 |
| Achromatopsia (no color) | #4C4C4C | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12573F
#12573F
oklch(40.8% 0.078 164.8)
- #673854
#673854
oklch(40.9% 0.077 344.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #12573F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.028
- Spruce #0A5F38 ΔE 0.032
- Pine #2B5D34 ΔE 0.035
- Deep Teal #00555A ΔE 0.047
- Dark Teal #014D4E ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.050
- Evergreen #05472A ΔE 0.058
Use #12573F 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.