#101901
Closest named color: Almost Black (#070D0D). oklch(19.7% 0.048 126.1), rgb(16, 25, 1).
Aa
White text reads best on this color (18.07:1).
About this color
#101901 is a very dark, muted green. In OKLCH its lightness is 20%, its chroma 0.048 and its hue 126°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.064 away. White text reads best on it, at 18.07:1.
| Hue family | Greens |
| Lightness | very dark (20%) |
| Chroma | muted (0.048) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.16:1 |
| White text | 18.07:1 |
Values
| HEX | #101901 |
| RGB | rgb(16, 25, 1) |
| HSL | hsl(83, 92%, 5%) |
| OKLCH | oklch(19.7% 0.048 126.1) |
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 #101901 | 18.07:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #101901 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #101901 text on white | 18.07:1 | AAA | Lc 104.7 | Preferred for body text |
| #101901 text on black | 1.16:1 | 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
#D4DDC7
oklch(88.5% 0.031 125.2)
-
Step 300
300
#B7C8A0
oklch(80.9% 0.058 126.4)
-
Step 400
400
#92AB6C
oklch(70.7% 0.091 126.2)
-
Step 500
500
#789643
oklch(63.2% 0.116 126.1)
-
Step 600
600
#618021
oklch(55.7% 0.125 126.1)
-
Step 700
700
#506C12
oklch(49.2% 0.117 126.2)
-
Step 800
800
#425813
oklch(42.8% 0.097 125.9)
-
Step 900
900
#374818
oklch(37.5% 0.075 126.2)
-
Step 950
950 (this color)
#101901
oklch(19.7% 0.048 126.1)
#101901 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) | #1B1600 | 0.022 |
| Deuteranopia (no green cones) | #1A1602 | 0.022 |
| Tritanopia (no blue cones) | #111714 | 0.040 |
| Achromatopsia (no color) | #161616 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #101901
#101901
oklch(19.7% 0.048 126.1)
- #1B0F26
#1B0F26
oklch(19.8% 0.047 306.7)
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 #101901, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.064
- Rich Navy #001219 ΔE 0.066
- Dark Forest Green #002D04 ΔE 0.073
- Very Dark Green #062E03 ΔE 0.077
- Dark Brown #341C02 ΔE 0.077
- Rich Black #0D1B2A ΔE 0.077
- Jet #212529 ΔE 0.084
- Very Dark Brown #1D0200 ΔE 0.086
Use #101901 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.