#1FA155
Closest named color: Mid Green (#50A747). oklch(62.5% 0.156 151.7), rgb(31, 161, 85).
Aa
Black text reads best on this color (6.28:1).
About this color
#1FA155 is a medium-light, vivid green. In OKLCH its lightness is 62%, its chroma 0.156 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.039 away. Black text reads best on it, at 6.28:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.28:1 |
| White text | 3.34:1 |
Values
| HEX | #1FA155 |
| RGB | rgb(31, 161, 85) |
| HSL | hsl(145, 68%, 38%) |
| OKLCH | oklch(62.5% 0.156 151.7) |
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 #1FA155 | 3.34:1 | AA large text | Lc -65.8 | Content text, not long reading |
| Black text on #1FA155 | 6.28:1 | AA | Lc 43.7 | Non-text elements, placeholder text |
| #1FA155 text on white | 3.34:1 | AA large text | Lc 60.3 | Content text, not long reading |
| #1FA155 text on black | 6.28:1 | AA | Lc -41.4 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E0EEE3
oklch(93.6% 0.021 152.2)
-
Step 200
200
#C6E2CC
oklch(88.6% 0.042 151.8)
-
Step 300
300
#9CCFA8
oklch(80.8% 0.076 151.6)
-
Step 400
400
#61B67A
oklch(70.7% 0.121 151.7)
-
Step 500
500 (this color)
#1FA155
oklch(62.5% 0.156 151.7)
-
Step 600
600
#008A44
oklch(55.5% 0.147 151.7)
-
Step 700
700
#007538
oklch(49.2% 0.131 151.5)
-
Step 800
800
#00602D
oklch(42.8% 0.114 151.6)
-
Step 900
900
#005025
oklch(37.8% 0.1 151.8)
-
Step 950
950
#062F16
oklch(27% 0.064 152.1)
#1FA155 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) | #A1934F | 0.131 |
| Deuteranopia (no green cones) | #93885A | 0.130 |
| Tritanopia (no blue cones) | #009E8F | 0.084 |
| Achromatopsia (no color) | #8D8D8D | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1FA155
#1FA155
oklch(62.5% 0.156 151.7)
- #BC60B1
#BC60B1
oklch(62.5% 0.155 331.9)
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 #1FA155, closest first.
No curated palette has a color within ΔE 0.04 of #1FA155.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.039
- Jade #1FA774 ΔE 0.040
- Muted Green #5FA052 ΔE 0.043
- Seaweed Green #35AD6B ΔE 0.043
- Jade Green #2BAF6A ΔE 0.045
- Medium Green #39AD48 ΔE 0.045
- Kelley Green #009337 ΔE 0.050
- Light Forest Green #4F9153 ΔE 0.052
Use #1FA155 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.