#1B4F15
Closest named color: Forest (#0B5509). oklch(37.9% 0.104 141.6), rgb(27, 79, 21).
Aa
White text reads best on this color (9.65:1).
About this color
#1B4F15 is a dark, moderately saturated green. In OKLCH its lightness is 38%, its chroma 0.104 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest (#0B5509), ΔE 0.025 away. White text reads best on it, at 9.65:1.
| Hue family | Greens |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Forest (#0B5509) |
| Black text | 2.17:1 |
| White text | 9.65:1 |
Values
| HEX | #1B4F15 |
| RGB | rgb(27, 79, 21) |
| HSL | hsl(114, 58%, 20%) |
| OKLCH | oklch(37.9% 0.104 141.6) |
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 #1B4F15 | 9.65:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #1B4F15 | 2.17:1 | Fails | Lc 11.9 | Not readable |
| #1B4F15 text on white | 9.65:1 | AAA | Lc 92.1 | Preferred for body text |
| #1B4F15 text on black | 2.17:1 | Fails | Lc -10.3 | 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 900.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#CAE1C6
oklch(88.5% 0.044 141)
-
Step 300
300
#A5CE9F
oklch(81% 0.078 141.5)
-
Step 400
400
#72B469
oklch(70.7% 0.125 141.4)
-
Step 500
500
#48A03E
oklch(63% 0.16 141.7)
-
Step 600
600
#248A16
oklch(55.5% 0.173 141.5)
-
Step 700
700
#137504
oklch(49% 0.161 141.7)
-
Step 800
800
#15600C
oklch(42.8% 0.134 141.7)
-
Step 900
900 (this color)
#1B4F15
oklch(37.9% 0.104 141.6)
-
Step 950
950
#112E0E
oklch(27% 0.065 141.8)
#1B4F15 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) | #51470D | 0.073 |
| Deuteranopia (no green cones) | #4B431A | 0.073 |
| Tritanopia (no blue cones) | #134C43 | 0.069 |
| Achromatopsia (no color) | #454545 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B4F15
#1B4F15
oklch(37.9% 0.104 141.6)
- #5B2C63
#5B2C63
oklch(37.9% 0.105 321.6)
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 #1B4F15, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest #0B5509 ΔE 0.025
- Bottle Green #044A05 ΔE 0.026
- Darkgreen #054907 ΔE 0.028
- British Racing Green #05480D ΔE 0.030
- Pine Green #0A481E ΔE 0.031
- Navy Green #35530A ΔE 0.032
- Deep Green #02590F ΔE 0.035
- Forrest Green #154406 ΔE 0.038
Use #1B4F15 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.