#1B421B
Closest named color: Pine Green (#0A481E). oklch(34% 0.079 143.6), rgb(27, 66, 27).
Aa
White text reads best on this color (11.40:1).
About this color
#1B421B is a dark, moderately saturated green. In OKLCH its lightness is 34%, its chroma 0.079 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine Green (#0A481E), ΔE 0.021 away. White text reads best on it, at 11.40:1.
| Hue family | Greens |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Pine Green (#0A481E) |
| Black text | 1.84:1 |
| White text | 11.40:1 |
Values
| HEX | #1B421B |
| RGB | rgb(27, 66, 27) |
| HSL | hsl(120, 42%, 18%) |
| OKLCH | oklch(34% 0.079 143.6) |
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 #1B421B | 11.40:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #1B421B | 1.84:1 | Fails | Lc 7.8 | Not readable |
| #1B421B text on white | 11.40:1 | AAA | Lc 96.1 | Preferred for body text |
| #1B421B text on black | 1.84:1 | 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 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
#CDDFCC
oklch(88.5% 0.032 143.8)
-
Step 300
300
#ABCBA9
oklch(80.9% 0.058 143.5)
-
Step 400
400
#7CB07A
oklch(70.6% 0.095 143.6)
-
Step 500
500
#599C58
oklch(63.1% 0.121 143.7)
-
Step 600
600
#3C863D
oklch(55.5% 0.131 143.8)
-
Step 700
700
#2E722F
oklch(49.2% 0.122 143.7)
-
Step 800
800
#275D27
oklch(42.8% 0.102 143.5)
-
Step 900
900 (this color)
#1B421B
oklch(34% 0.079 143.6)
-
Step 950
950
#162D16
oklch(27.1% 0.051 144)
#1B421B 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) | #433C18 | 0.058 |
| Deuteranopia (no green cones) | #3E391E | 0.057 |
| Tritanopia (no blue cones) | #154039 | 0.050 |
| Achromatopsia (no color) | #3A3A3A | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B421B
#1B421B
oklch(34% 0.079 143.6)
- #4B284F
#4B284F
oklch(33.9% 0.079 323.3)
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 #1B421B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine Green #0A481E ΔE 0.021
- Evergreen #05472A ΔE 0.023
- Forrest Green #154406 ΔE 0.025
- Hunter Green #0B4008 ΔE 0.026
- British Racing Green #05480D ΔE 0.032
- Dark Olive #373E02 ΔE 0.037
- Racing Green #014600 ΔE 0.037
- Darkgreen #054907 ΔE 0.037
Use #1B421B 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.