#1B2B01
Closest named color: Very Dark Green (#062E03). oklch(26.5% 0.068 128.4), rgb(27, 43, 1).
Aa
White text reads best on this color (15.07:1).
About this color
#1B2B01 is a dark, muted green. In OKLCH its lightness is 26%, its chroma 0.068 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Green (#062E03), ΔE 0.022 away. White text reads best on it, at 15.07:1.
| Hue family | Greens |
| Lightness | dark (26%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Very Dark Green (#062E03) |
| Black text | 1.39:1 |
| White text | 15.07:1 |
Values
| HEX | #1B2B01 |
| RGB | rgb(27, 43, 1) |
| HSL | hsl(83, 95%, 9%) |
| OKLCH | oklch(26.5% 0.068 128.4) |
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 #1B2B01 | 15.07:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #1B2B01 | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #1B2B01 text on white | 15.07:1 | AAA | Lc 101.9 | Preferred for body text |
| #1B2B01 text on black | 1.39:1 | 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
#F3F7EF
oklch(97.1% 0.011 128.6)
-
Step 100
100
#E5EDDD
oklch(93.6% 0.023 128.7)
-
Step 200
200
#D0DFC0
oklch(88.4% 0.045 128.4)
-
Step 300
300
#B1CB93
oklch(80.9% 0.081 128.3)
-
Step 400
400
#88B053
oklch(70.7% 0.13 128.6)
-
Step 500
500
#6B9B04
oklch(63.1% 0.165 128.4)
-
Step 600
600
#598200
oklch(55.5% 0.146 128.3)
-
Step 700
700
#4A6E00
oklch(49.2% 0.13 128.6)
-
Step 800
800
#3C5A00
oklch(42.8% 0.113 128.5)
-
Step 900
900
#314B00
oklch(37.7% 0.1 128.7)
-
Step 950
950 (this color)
#1B2B01
oklch(26.5% 0.068 128.4)
#1B2B01 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) | #2E2700 | 0.034 |
| Deuteranopia (no green cones) | #2C2604 | 0.035 |
| Tritanopia (no blue cones) | #1C2823 | 0.055 |
| Achromatopsia (no color) | #262626 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B2B01
#1B2B01
oklch(26.5% 0.068 128.4)
- #2F1A3E
#2F1A3E
oklch(26.4% 0.069 309.4)
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 #1B2B01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Green #062E03 ΔE 0.022
- Dark Forest Green #002D04 ΔE 0.026
- Pakistan Green #283618 ΔE 0.049
- Dark Brown #341C02 ΔE 0.067
- Hunter Green #0B4008 ΔE 0.071
- Jet #212529 ΔE 0.073
- Dark Olive #373E02 ΔE 0.083
- Forrest Green #154406 ΔE 0.085
Use #1B2B01 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.