#1B451F
Closest named color: Pine Green (#0A481E). oklch(35% 0.079 145.5), rgb(27, 69, 31).
Aa
White text reads best on this color (10.95:1).
About this color
#1B451F is a dark, moderately saturated green. In OKLCH its lightness is 35%, its chroma 0.079 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine Green (#0A481E), ΔE 0.015 away. White text reads best on it, at 10.95:1.
| Hue family | Greens |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Pine Green (#0A481E) |
| Black text | 1.91:1 |
| White text | 10.95:1 |
Values
| HEX | #1B451F |
| RGB | rgb(27, 69, 31) |
| HSL | hsl(126, 44%, 19%) |
| OKLCH | oklch(35% 0.079 145.5) |
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 #1B451F | 10.95:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #1B451F | 1.91:1 | Fails | Lc 8.8 | Not readable |
| #1B451F text on white | 10.95:1 | AAA | Lc 95.1 | Preferred for body text |
| #1B451F text on black | 1.91:1 | Fails | Lc -7.5 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE3
oklch(93.6% 0.017 145.4)
-
Step 200
200
#CCDFCC
oklch(88.4% 0.033 145.3)
-
Step 300
300
#A9CBAA
oklch(80.8% 0.059 145.8)
-
Step 400
400
#7AB17C
oklch(70.8% 0.096 145.3)
-
Step 500
500
#559D5A
oklch(63.2% 0.122 145.4)
-
Step 600
600
#37873F
oklch(55.6% 0.132 145.4)
-
Step 700
700
#287231
oklch(49% 0.123 145.5)
-
Step 800
800
#235D29
oklch(42.7% 0.102 145.4)
-
Step 900
900 (this color)
#1B451F
oklch(35% 0.079 145.5)
-
Step 950
950
#152D17
oklch(27.1% 0.05 145.8)
#1B451F 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) | #463F1C | 0.060 |
| Deuteranopia (no green cones) | #413B22 | 0.061 |
| Tritanopia (no blue cones) | #13433C | 0.048 |
| Achromatopsia (no color) | #3C3C3C | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B451F
#1B451F
oklch(35% 0.079 145.5)
- #4F2A51
#4F2A51
oklch(34.9% 0.08 325.3)
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 #1B451F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine Green #0A481E ΔE 0.015
- Evergreen #05472A ΔE 0.017
- Forrest Green #154406 ΔE 0.026
- British Racing Green #05480D ΔE 0.030
- Hunter Green #0B4008 ΔE 0.032
- Darkgreen #054907 ΔE 0.035
- Bottle Green #044A05 ΔE 0.038
- Racing Green #014600 ΔE 0.038
Use #1B451F 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.