#1B552A
Closest named color: Spruce (#0A5F38). oklch(40% 0.093 148.9), rgb(27, 85, 42).
Aa
White text reads best on this color (8.82:1).
About this color
#1B552A is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.093 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.032 away. White text reads best on it, at 8.82:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.37:1 |
| White text | 8.82:1 |
Values
| HEX | #1B552A |
| RGB | rgb(27, 85, 42) |
| HSL | hsl(136, 52%, 22%) |
| OKLCH | oklch(40% 0.093 148.9) |
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 #1B552A | 8.82:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #1B552A | 2.37:1 | Fails | Lc 14.1 | Not readable |
| #1B552A text on white | 8.82:1 | AAA | Lc 89.9 | Fine for body text |
| #1B552A text on black | 2.37:1 | Fails | Lc -12.4 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE3
oklch(93.6% 0.02 150.1)
-
Step 200
200
#C8E1CB
oklch(88.5% 0.04 148.7)
-
Step 300
300
#A2CEA8
oklch(81% 0.07 148.6)
-
Step 400
400
#6CB47A
oklch(70.7% 0.111 149.1)
-
Step 500
500
#3EA057
oklch(63% 0.142 149)
-
Step 600
600
#098B3B
oklch(55.7% 0.155 148.8)
-
Step 700
700
#00752F
oklch(49.1% 0.139 148.8)
-
Step 800
800
#046026
oklch(42.8% 0.12 148.7)
-
Step 900
900 (this color)
#1B552A
oklch(40% 0.093 148.9)
-
Step 950
950
#0E2E16
oklch(27% 0.058 149.2)
#1B552A 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) | #564D27 | 0.076 |
| Deuteranopia (no green cones) | #4E482D | 0.074 |
| Tritanopia (no blue cones) | #09534B | 0.053 |
| Achromatopsia (no color) | #4A4A4A | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B552A
#1B552A
oklch(40% 0.093 148.9)
- #623360
#623360
oklch(39.9% 0.093 328.7)
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 #1B552A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.032
- Pine #2B5D34 ΔE 0.033
- Navy Green #35530A ΔE 0.033
- Forest #0B5509 ΔE 0.036
- Deep Green #02590F ΔE 0.037
- Pine Green #0A481E ΔE 0.047
- Bottle Green #044A05 ΔE 0.051
- Evergreen #05472A ΔE 0.052
Use #1B552A 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.