#151D03
Closest named color: Dark Forest Green (#002D04). oklch(21.6% 0.047 124.1), rgb(21, 29, 3).
Aa
White text reads best on this color (17.37:1).
About this color
#151D03 is a very dark, muted brown. In OKLCH its lightness is 22%, its chroma 0.047 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Forest Green (#002D04), ΔE 0.060 away. White text reads best on it, at 17.37:1.
| Hue family | Browns |
| Lightness | very dark (22%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Dark Forest Green (#002D04) |
| Black text | 1.20:1 |
| White text | 17.37:1 |
Values
| HEX | #151D03 |
| RGB | rgb(21, 29, 3) |
| HSL | hsl(78, 81%, 6%) |
| OKLCH | oklch(21.6% 0.047 124.1) |
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 #151D03 | 17.37:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #151D03 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #151D03 text on white | 17.37:1 | AAA | Lc 104.2 | Preferred for body text |
| #151D03 text on black | 1.20:1 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE0
oklch(93.6% 0.017 125.3)
-
Step 200
200
#D5DDC7
oklch(88.5% 0.031 123.3)
-
Step 300
300
#B9C7A0
oklch(80.9% 0.055 123.7)
-
Step 400
400
#95AA6B
oklch(70.6% 0.089 123.7)
-
Step 500
500
#7B9542
oklch(63.1% 0.114 124.1)
-
Step 600
600
#647F1E
oklch(55.6% 0.125 124.2)
-
Step 700
700
#536B0F
oklch(49.1% 0.115 124.2)
-
Step 800
800
#445712
oklch(42.6% 0.095 124)
-
Step 900
900
#394817
oklch(37.7% 0.075 124.3)
-
Step 950
950 (this color)
#151D03
oklch(21.6% 0.047 124.1)
#151D03 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) | #1F1A01 | 0.020 |
| Deuteranopia (no green cones) | #1E1A04 | 0.020 |
| Tritanopia (no blue cones) | #171B17 | 0.038 |
| Achromatopsia (no color) | #1A1A1A | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #151D03
#151D03
oklch(21.6% 0.047 124.1)
- #1E132B
#1E132B
oklch(21.4% 0.048 303.8)
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 #151D03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Forest Green #002D04 ΔE 0.060
- Very Dark Green #062E03 ΔE 0.063
- Dark Brown #341C02 ΔE 0.063
- Jet #212529 ΔE 0.071
- Rich Black #0D1B2A ΔE 0.074
- Rich Navy #001219 ΔE 0.076
- Almost Black #070D0D ΔE 0.078
- Dark #1B2431 ΔE 0.081
Use #151D03 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.