#1FA171
Closest named color: Jade (#1FA774). oklch(63% 0.13 162.2), rgb(31, 161, 113).
Aa
Black text reads best on this color (6.39:1).
About this color
#1FA171 is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.130 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.017 away. Black text reads best on it, at 6.39:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 6.39:1 |
| White text | 3.28:1 |
Values
| HEX | #1FA171 |
| RGB | rgb(31, 161, 113) |
| HSL | hsl(158, 68%, 38%) |
| OKLCH | oklch(63% 0.13 162.2) |
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 #1FA171 | 3.28:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #1FA171 | 6.39:1 | AA | Lc 44.3 | Non-text elements, placeholder text |
| #1FA171 text on white | 3.28:1 | AA large text | Lc 59.7 | Large or bold text, headings |
| #1FA171 text on black | 6.39:1 | AA | Lc -42.0 | 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 500.
-
Step 50
50
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E0EEE6
oklch(93.6% 0.018 161.1)
-
Step 200
200
#C5E1D2
oklch(88.5% 0.036 162.3)
-
Step 300
300
#9CCEB4
oklch(80.9% 0.064 161.9)
-
Step 400
400
#60B48D
oklch(70.6% 0.101 162.1)
-
Step 500
500 (this color)
#1FA171
oklch(63% 0.13 162.2)
-
Step 600
600
#00895D
oklch(55.7% 0.122 162)
-
Step 700
700
#00734E
oklch(49.1% 0.107 162.4)
-
Step 800
800
#005E3F
oklch(42.6% 0.093 162.3)
-
Step 900
900
#004F34
oklch(37.8% 0.083 162.1)
-
Step 950
950
#062E1E
oklch(26.9% 0.053 162)
#1FA171 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) | #9E946E | 0.125 |
| Deuteranopia (no green cones) | #8F8974 | 0.122 |
| Tritanopia (no blue cones) | #00A194 | 0.051 |
| Achromatopsia (no color) | #8E8E8E | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1FA171
#1FA171
oklch(63% 0.13 162.2)
- #BE679F
#BE679F
oklch(63.1% 0.13 342.3)
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 #1FA171, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.017
- Ocean Green #3D9973 ΔE 0.028
- Seaweed Green #35AD6B ΔE 0.042
- Dark Seafoam Green #3EAF76 ΔE 0.046
- Jade Green #2BAF6A ΔE 0.047
- Viridian #1E9167 ΔE 0.047
- Bluey Green #2BB179 ΔE 0.048
- Persian Green #2A9D8F ΔE 0.050
Use #1FA171 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.