#01855F
Closest named color: Sea Green (#2E8B57). oklch(54.6% 0.115 164.7), rgb(1, 133, 95).
Aa
White text reads best on this color (4.64:1).
About this color
#01855F is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.115 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.030 away. White text reads best on it, at 4.64:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.52:1 |
| White text | 4.64:1 |
Values
| HEX | #01855F |
| RGB | rgb(1, 133, 95) |
| HSL | hsl(163, 99%, 26%) |
| OKLCH | oklch(54.6% 0.115 164.7) |
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 #01855F | 4.64:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #01855F | 4.52:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #01855F text on white | 4.64:1 | AA | Lc 71.7 | Content text, not long reading |
| #01855F text on black | 4.52:1 | AA | Lc -30.0 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE7
oklch(93.5% 0.015 164.7)
-
Step 200
200
#C9DFD4
oklch(88.4% 0.028 164.3)
-
Step 300
300
#A2CCB8
oklch(80.9% 0.053 164.5)
-
Step 400
400
#6DB193
oklch(70.6% 0.083 164.4)
-
Step 500
500
#3F9E79
oklch(63.2% 0.106 164.5)
-
Step 600
600 (this color)
#01855F
oklch(54.6% 0.115 164.7)
-
Step 700
700
#007351
oklch(49.2% 0.104 164.3)
-
Step 800
800
#045E42
oklch(42.7% 0.089 164.3)
-
Step 900
900
#134D38
oklch(37.7% 0.069 164.7)
-
Step 950
950
#0E2D21
oklch(27% 0.043 165.1)
#01855F 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) | #827A5D | 0.113 |
| Deuteranopia (no green cones) | #747062 | 0.110 |
| Tritanopia (no blue cones) | #00857B | 0.043 |
| Achromatopsia (no color) | #747474 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01855F
#01855F
oklch(54.6% 0.115 164.7)
- #9E5380
#9E5380
oklch(54.6% 0.114 344.6)
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 #01855F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.030
- Jungle Green #048243 ΔE 0.037
- Viridian #1E9167 ΔE 0.039
- Dark Sage #598556 ΔE 0.054
- Teal #008080 ΔE 0.058
- Bluegreen #017A79 ΔE 0.061
- Light Forest Green #4F9153 ΔE 0.063
- Dark Cyan #008B8B ΔE 0.065
Use #01855F 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.