#1B4E30
Closest named color: Evergreen (#05472A). oklch(38.1% 0.075 154.6), rgb(27, 78, 48).
Aa
White text reads best on this color (9.63:1).
About this color
#1B4E30 is a dark, moderately saturated green. In OKLCH its lightness is 38%, its chroma 0.075 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.030 away. White text reads best on it, at 9.63:1.
| Hue family | Greens |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Evergreen (#05472A) |
| Black text | 2.17:1 |
| White text | 9.63:1 |
Values
| HEX | #1B4E30 |
| RGB | rgb(27, 78, 48) |
| HSL | hsl(145, 49%, 21%) |
| OKLCH | oklch(38.1% 0.075 154.6) |
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 #1B4E30 | 9.63:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #1B4E30 | 2.17:1 | Fails | Lc 11.9 | Not readable |
| #1B4E30 text on white | 9.63:1 | AAA | Lc 92.1 | Preferred for body text |
| #1B4E30 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#CAE0D0
oklch(88.6% 0.032 154.1)
-
Step 300
300
#A5CCB1
oklch(80.9% 0.056 154.8)
-
Step 400
400
#72B187
oklch(70.6% 0.09 154.3)
-
Step 500
500
#489E6A
oklch(63.2% 0.115 154.7)
-
Step 600
600
#228851
oklch(55.6% 0.125 154.6)
-
Step 700
700
#117341
oklch(49% 0.116 154.4)
-
Step 800
800
#145E36
oklch(42.7% 0.097 154.4)
-
Step 900
900 (this color)
#1B4E30
oklch(38.1% 0.075 154.6)
-
Step 950
950
#112D1C
oklch(27% 0.047 154.9)
#1B4E30 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) | #4E482E | 0.067 |
| Deuteranopia (no green cones) | #474332 | 0.065 |
| Tritanopia (no blue cones) | #094D46 | 0.037 |
| Achromatopsia (no color) | #454545 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B4E30
#1B4E30
oklch(38.1% 0.075 154.6)
- #5B3253
#5B3253
oklch(38.1% 0.076 334.5)
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 #1B4E30, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Evergreen #05472A ΔE 0.030
- Pine Green #0A481E ΔE 0.033
- Dark Blue Green #005249 ΔE 0.038
- British Racing Green #05480D ΔE 0.048
- Dark Teal #014D4E ΔE 0.051
- Darkgreen #054907 ΔE 0.051
- Navy Green #35530A ΔE 0.051
- Bottle Green #044A05 ΔE 0.052
Use #1B4E30 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.