#1FA166
Closest named color: Jade (#1FA774). oklch(62.8% 0.14 157.4), rgb(31, 161, 102).
Aa
Black text reads best on this color (6.34:1).
About this color
#1FA166 is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.140 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.022 away. Black text reads best on it, at 6.34:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.140) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 6.34:1 |
| White text | 3.30:1 |
Values
| HEX | #1FA166 |
| RGB | rgb(31, 161, 102) |
| HSL | hsl(153, 68%, 38%) |
| OKLCH | oklch(62.8% 0.14 157.4) |
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 #1FA166 | 3.30:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #1FA166 | 6.34:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #1FA166 text on white | 3.30:1 | AA large text | Lc 60.0 | Large or bold text, headings |
| #1FA166 text on black | 6.34:1 | AA | Lc -41.7 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E0EEE5
oklch(93.6% 0.019 157.9)
-
Step 200
200
#C5E1CF
oklch(88.4% 0.038 157.3)
-
Step 300
300
#9CCEAF
oklch(80.8% 0.068 157.3)
-
Step 400
400
#60B586
oklch(70.7% 0.109 157.8)
-
Step 500
500 (this color)
#1FA166
oklch(62.8% 0.14 157.4)
-
Step 600
600
#008954
oklch(55.5% 0.13 157.7)
-
Step 700
700
#007446
oklch(49.2% 0.116 157.5)
-
Step 800
800
#005F38
oklch(42.7% 0.101 157.3)
-
Step 900
900
#004F2E
oklch(37.6% 0.089 157.5)
-
Step 950
950
#062F1B
oklch(27.1% 0.058 157.2)
#1FA166 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) | #A09462 | 0.128 |
| Deuteranopia (no green cones) | #91896A | 0.125 |
| Tritanopia (no blue cones) | #00A092 | 0.064 |
| Achromatopsia (no color) | #8D8D8D | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1FA166
#1FA166
oklch(62.8% 0.14 157.4)
- #BD64A6
#BD64A6
oklch(62.8% 0.14 337.7)
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 #1FA166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.022
- Ocean Green #3D9973 ΔE 0.038
- Seaweed Green #35AD6B ΔE 0.038
- Jade Green #2BAF6A ΔE 0.042
- Muted Green #5FA052 ΔE 0.044
- Dark Seafoam Green #3EAF76 ΔE 0.048
- Light Forest Green #4F9153 ΔE 0.048
- Bluey Green #2BB179 ΔE 0.049
Use #1FA166 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.