#12271A
Closest named color: Jet (#212529). oklch(25% 0.037 155.4), rgb(18, 39, 26).
Aa
White text reads best on this color (15.77:1).
About this color
#12271A is a dark, muted green. In OKLCH its lightness is 25%, its chroma 0.037 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.040 away. White text reads best on it, at 15.77:1.
| Hue family | Greens |
| Lightness | dark (25%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.33:1 |
| White text | 15.77:1 |
Values
| HEX | #12271A |
| RGB | rgb(18, 39, 26) |
| HSL | hsl(143, 37%, 11%) |
| OKLCH | oklch(25% 0.037 155.4) |
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 #12271A | 15.77:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #12271A | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #12271A text on white | 15.77:1 | AAA | Lc 102.7 | Preferred for body text |
| #12271A text on black | 1.33:1 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CDDED2
oklch(88.4% 0.024 155.1)
-
Step 300
300
#ABC9B5
oklch(80.8% 0.043 156.1)
-
Step 400
400
#7DAE8E
oklch(70.7% 0.07 155.6)
-
Step 500
500
#5A9A72
oklch(63.2% 0.09 155.4)
-
Step 600
600
#3D845A
oklch(55.6% 0.098 155.4)
-
Step 700
700
#2F704A
oklch(49.2% 0.091 155.3)
-
Step 800
800
#285B3D
oklch(42.7% 0.075 155.6)
-
Step 900
900
#264B34
oklch(37.8% 0.058 155.1)
-
Step 950
950 (this color)
#12271A
oklch(25% 0.037 155.4)
#12271A 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) | #272419 | 0.034 |
| Deuteranopia (no green cones) | #24221B | 0.033 |
| Tritanopia (no blue cones) | #0D2723 | 0.017 |
| Achromatopsia (no color) | #232323 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12271A
#12271A
oklch(25% 0.037 155.4)
- #2D1B29
#2D1B29
oklch(25.1% 0.037 335)
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 #12271A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.040
- Dark Forest Green #002D04 ΔE 0.048
- Very Dark Green #062E03 ΔE 0.049
- Dark #1B2431 ΔE 0.051
- Rich Black #0D1B2A ΔE 0.063
- Dark Brown #341C02 ΔE 0.066
- Pakistan Green #283618 ΔE 0.066
- Oxford Blue #1B263B ΔE 0.067
Use #12271A 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.