#12240B
Closest named color: Dark Forest Green (#002D04). oklch(23.7% 0.05 137.7), rgb(18, 36, 11).
Aa
White text reads best on this color (16.36:1).
About this color
#12240B is a very dark, muted green. In OKLCH its lightness is 24%, its chroma 0.050 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Forest Green (#002D04), ΔE 0.039 away. White text reads best on it, at 16.36:1.
| Hue family | Greens |
| Lightness | very dark (24%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Dark Forest Green (#002D04) |
| Black text | 1.28:1 |
| White text | 16.36:1 |
Values
| HEX | #12240B |
| RGB | rgb(18, 36, 11) |
| HSL | hsl(103, 53%, 9%) |
| OKLCH | oklch(23.7% 0.05 137.7) |
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 #12240B | 16.36:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #12240B | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #12240B text on white | 16.36:1 | AAA | Lc 103.2 | Preferred for body text |
| #12240B text on black | 1.28:1 | 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 950.
-
Step 50
50
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E4EDE2
oklch(93.6% 0.017 140)
-
Step 200
200
#CFDFCA
oklch(88.6% 0.033 138.2)
-
Step 300
300
#AECAA5
oklch(80.8% 0.059 138.1)
-
Step 400
400
#83AF74
oklch(70.7% 0.096 137.9)
-
Step 500
500
#639A4E
oklch(63% 0.122 137.7)
-
Step 600
600
#498531
oklch(55.7% 0.133 137.9)
-
Step 700
700
#3A7023
oklch(49% 0.123 137.7)
-
Step 800
800
#315B1F
oklch(42.6% 0.101 137.5)
-
Step 900
900
#2B4B1F
oklch(37.6% 0.079 137.9)
-
Step 950
950 (this color)
#12240B
oklch(23.7% 0.05 137.7)
#12240B 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) | #252109 | 0.032 |
| Deuteranopia (no green cones) | #231F0D | 0.034 |
| Tritanopia (no blue cones) | #11231E | 0.033 |
| Achromatopsia (no color) | #202020 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12240B
#12240B
oklch(23.7% 0.05 137.7)
- #28162E
#28162E
oklch(23.6% 0.051 317.3)
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 #12240B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Forest Green #002D04 ΔE 0.039
- Very Dark Green #062E03 ΔE 0.042
- Jet #212529 ΔE 0.060
- Dark Brown #341C02 ΔE 0.065
- Dark #1B2431 ΔE 0.072
- Pakistan Green #283618 ΔE 0.075
- Rich Black #0D1B2A ΔE 0.075
- Oxford Blue #1B263B ΔE 0.088
Use #12240B 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.