#17855B
Closest named color: Sea Green (#2E8B57). oklch(54.8% 0.115 161.3), rgb(23, 133, 91).
Aa
White text reads best on this color (4.62:1).
About this color
#17855B is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.115 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.025 away. White text reads best on it, at 4.62:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.54:1 |
| White text | 4.62:1 |
Values
| HEX | #17855B |
| RGB | rgb(23, 133, 91) |
| HSL | hsl(157, 71%, 31%) |
| OKLCH | oklch(54.8% 0.115 161.3) |
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 #17855B | 4.62:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #17855B | 4.54:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #17855B text on white | 4.62:1 | AA | Lc 71.7 | Content text, not long reading |
| #17855B text on black | 4.54:1 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#C9DFD3
oklch(88.4% 0.029 162)
-
Step 300
300
#A4CBB6
oklch(80.8% 0.051 161.5)
-
Step 400
400
#70B190
oklch(70.7% 0.083 161.2)
-
Step 500
500
#459D75
oklch(63.1% 0.105 161.4)
-
Step 600
600 (this color)
#17855B
oklch(54.8% 0.115 161.3)
-
Step 700
700
#07734D
oklch(49.2% 0.107 161.4)
-
Step 800
800
#0F5E3F
oklch(42.8% 0.089 161)
-
Step 900
900
#184D36
oklch(37.8% 0.069 161.4)
-
Step 950
950
#102D20
oklch(27% 0.043 162.1)
#17855B 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) | #837A58 | 0.110 |
| Deuteranopia (no green cones) | #76715E | 0.106 |
| Tritanopia (no blue cones) | #00857A | 0.047 |
| Achromatopsia (no color) | #757575 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17855B
#17855B
oklch(54.8% 0.115 161.3)
- #9D5484
#9D5484
oklch(54.8% 0.114 341.6)
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 #17855B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.025
- Jungle Green #048243 ΔE 0.033
- Viridian #1E9167 ΔE 0.037
- Dark Sage #598556 ΔE 0.049
- Light Forest Green #4F9153 ΔE 0.058
- Fern Green #548D44 ΔE 0.060
- Teal #008080 ΔE 0.063
- Bluegreen #017A79 ΔE 0.066
Use #17855B 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.