#1FA866
Closest named color: Seaweed Green (#35AD6B). oklch(64.7% 0.149 155.8), rgb(31, 168, 102).
Aa
Black text reads best on this color (6.85:1).
About this color
#1FA866 is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.149 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed Green (#35AD6B), ΔE 0.019 away. Black text reads best on it, at 6.85:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Seaweed Green (#35AD6B) |
| Black text | 6.85:1 |
| White text | 3.06:1 |
Values
| HEX | #1FA866 |
| RGB | rgb(31, 168, 102) |
| HSL | hsl(151, 69%, 39%) |
| OKLCH | oklch(64.7% 0.149 155.8) |
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 #1FA866 | 3.06:1 | AA large text | Lc -62.4 | Content text, not long reading |
| Black text on #1FA866 | 6.85:1 | AA | Lc 47.0 | Large or bold text, headings |
| #1FA866 text on white | 3.06:1 | AA large text | Lc 57.0 | Large or bold text, headings |
| #1FA866 text on black | 6.85:1 | AA | Lc -44.7 | 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
#DFEEE4
oklch(93.5% 0.021 156.8)
-
Step 200
200
#C5E2CE
oklch(88.6% 0.041 155.4)
-
Step 300
300
#9BCFAD
oklch(80.9% 0.072 155.8)
-
Step 400
400
#5DB681
oklch(70.7% 0.117 155.7)
-
Step 500
500 (this color)
#1FA866
oklch(64.7% 0.149 155.8)
-
Step 600
600
#008A50
oklch(55.7% 0.136 155.8)
-
Step 700
700
#007442
oklch(49.1% 0.12 155.6)
-
Step 800
800
#005F36
oklch(42.7% 0.103 156.1)
-
Step 900
900
#004F2C
oklch(37.6% 0.091 156.1)
-
Step 950
950
#042F19
oklch(27% 0.062 155.7)
#1FA866 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) | #A79A62 | 0.133 |
| Deuteranopia (no green cones) | #988F6A | 0.131 |
| Tritanopia (no blue cones) | #00A697 | 0.071 |
| Achromatopsia (no color) | #939393 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1FA866
#1FA866
oklch(64.7% 0.149 155.8)
- #C567B1
#C567B1
oklch(64.7% 0.15 335.7)
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 #1FA866, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed Green #35AD6B ΔE 0.019
- Jade #1FA774 ΔE 0.020
- Jade Green #2BAF6A ΔE 0.022
- Dark Seafoam Green #3EAF76 ΔE 0.033
- Bluey Green #2BB179 ΔE 0.033
- Algae #54AC68 ΔE 0.035
- Medium Sea Green #3CB371 ΔE 0.038
- Green Teal #0CB577 ΔE 0.038
Use #1FA866 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.