#1B310E
Closest named color: Very Dark Green (#062E03). oklch(28.5% 0.064 135.5), rgb(27, 49, 14).
Aa
White text reads best on this color (14.07:1).
About this color
#1B310E is a dark, muted green. In OKLCH its lightness is 29%, its chroma 0.064 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Green (#062E03), ΔE 0.029 away. White text reads best on it, at 14.07:1.
| Hue family | Greens |
| Lightness | dark (29%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Very Dark Green (#062E03) |
| Black text | 1.49:1 |
| White text | 14.07:1 |
Values
| HEX | #1B310E |
| RGB | rgb(27, 49, 14) |
| HSL | hsl(98, 56%, 12%) |
| OKLCH | oklch(28.5% 0.064 135.5) |
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 #1B310E | 14.07:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #1B310E | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #1B310E text on white | 14.07:1 | AAA | Lc 100.6 | Preferred for body text |
| #1B310E text on black | 1.49:1 | 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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E4EDDF
oklch(93.5% 0.021 134.1)
-
Step 200
200
#CDE0C4
oklch(88.5% 0.043 135.5)
-
Step 300
300
#ABCC9B
oklch(80.8% 0.076 135.6)
-
Step 400
400
#7EB263
oklch(70.8% 0.122 135.7)
-
Step 500
500
#5C9D32
oklch(63% 0.155 135.4)
-
Step 600
600
#428700
oklch(55.6% 0.164 135.6)
-
Step 700
700
#377200
oklch(49.2% 0.145 135.5)
-
Step 800
800
#2C5D00
oklch(42.7% 0.126 135.4)
-
Step 900
900
#274D0C
oklch(37.8% 0.101 135.5)
-
Step 950
950 (this color)
#1B310E
oklch(28.5% 0.064 135.5)
#1B310E 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) | #332D0A | 0.039 |
| Deuteranopia (no green cones) | #302B11 | 0.040 |
| Tritanopia (no blue cones) | #1A2F29 | 0.045 |
| Achromatopsia (no color) | #2B2B2B | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B310E
#1B310E
oklch(28.5% 0.064 135.5)
- #361F40
#361F40
oklch(28.5% 0.065 315)
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 #1B310E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Green #062E03 ΔE 0.029
- Pakistan Green #283618 ΔE 0.029
- Dark Forest Green #002D04 ΔE 0.035
- Hunter Green #0B4008 ΔE 0.055
- Dark Olive #373E02 ΔE 0.066
- Forrest Green #154406 ΔE 0.068
- Jet #212529 ΔE 0.072
- Evergreen #05472A ΔE 0.074
Use #1B310E 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.