#12291A
Closest named color: Jet (#212529). oklch(25.7% 0.041 153.9), rgb(18, 41, 26).
Aa
White text reads best on this color (15.46:1).
About this color
#12291A is a dark, muted green. In OKLCH its lightness is 26%, its chroma 0.041 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.043 away. White text reads best on it, at 15.46:1.
| Hue family | Greens |
| Lightness | dark (26%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.35:1 |
| White text | 15.46:1 |
Values
| HEX | #12291A |
| RGB | rgb(18, 41, 26) |
| HSL | hsl(141, 39%, 12%) |
| OKLCH | oklch(25.7% 0.041 153.9) |
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 #12291A | 15.46:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #12291A | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #12291A text on white | 15.46:1 | AAA | Lc 102.3 | Preferred for body text |
| #12291A text on black | 1.35:1 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CCDFD1
oklch(88.6% 0.028 153.8)
-
Step 300
300
#A9CAB3
oklch(80.8% 0.048 154.8)
-
Step 400
400
#7AAF8B
oklch(70.7% 0.077 154.3)
-
Step 500
500
#569B6E
oklch(63.1% 0.098 154)
-
Step 600
600
#378555
oklch(55.5% 0.108 153.8)
-
Step 700
700
#297146
oklch(49.2% 0.1 154)
-
Step 800
800
#245C39
oklch(42.7% 0.083 153.5)
-
Step 900
900
#234C31
oklch(37.8% 0.066 153.2)
-
Step 950
950 (this color)
#12291A
oklch(25.7% 0.041 153.9)
#12291A 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) | #292619 | 0.036 |
| Deuteranopia (no green cones) | #26231B | 0.037 |
| Tritanopia (no blue cones) | #0D2825 | 0.022 |
| Achromatopsia (no color) | #242424 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12291A
#12291A
oklch(25.7% 0.041 153.9)
- #2F1C2B
#2F1C2B
oklch(25.7% 0.039 334.6)
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 #12291A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.043
- Dark Forest Green #002D04 ΔE 0.043
- Very Dark Green #062E03 ΔE 0.044
- Dark #1B2431 ΔE 0.055
- Pakistan Green #283618 ΔE 0.060
- Dark Brown #341C02 ΔE 0.068
- Oxford Blue #1B263B ΔE 0.069
- Rich Black #0D1B2A ΔE 0.070
Use #12291A 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.