#091F10
Closest named color: Rich Black (#0D1B2A). oklch(21.6% 0.041 152), rgb(9, 31, 16).
Aa
White text reads best on this color (17.28:1).
About this color
#091F10 is a very dark, muted green. In OKLCH its lightness is 22%, its chroma 0.041 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.058 away. White text reads best on it, at 17.28:1.
| Hue family | Greens |
| Lightness | very dark (22%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.21:1 |
| White text | 17.28:1 |
Values
| HEX | #091F10 |
| RGB | rgb(9, 31, 16) |
| HSL | hsl(139, 55%, 8%) |
| OKLCH | oklch(21.6% 0.041 152) |
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 #091F10 | 17.28:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #091F10 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #091F10 text on white | 17.28:1 | AAA | Lc 104.1 | Preferred for body text |
| #091F10 text on black | 1.21:1 | 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
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CDDFD1
oklch(88.6% 0.027 152.3)
-
Step 300
300
#AACAB1
oklch(80.8% 0.049 151.7)
-
Step 400
400
#7CAF89
oklch(70.7% 0.077 152)
-
Step 500
500
#589B6B
oklch(63.2% 0.1 151.8)
-
Step 600
600
#3B8553
oklch(55.6% 0.107 152)
-
Step 700
700
#2C7143
oklch(49.2% 0.101 151.8)
-
Step 800
800
#265C38
oklch(42.8% 0.083 152.2)
-
Step 900
900
#244B30
oklch(37.6% 0.064 152.2)
-
Step 950
950 (this color)
#091F10
oklch(21.6% 0.041 152)
#091F10 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) | #1F1C0F | 0.035 |
| Deuteranopia (no green cones) | #1C1A11 | 0.034 |
| Tritanopia (no blue cones) | #051E1B | 0.022 |
| Achromatopsia (no color) | #1B1B1B | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #091F10
#091F10
oklch(21.6% 0.041 152)
- #251222
#251222
oklch(21.6% 0.042 332.9)
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 #091F10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.058
- Dark Forest Green #002D04 ΔE 0.060
- Jet #212529 ΔE 0.063
- Rich Navy #001219 ΔE 0.063
- Very Dark Green #062E03 ΔE 0.064
- Dark #1B2431 ΔE 0.069
- Almost Black #070D0D ΔE 0.072
- Dark Brown #341C02 ΔE 0.076
Use #091F10 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.