#1FA859
Closest named color: Jade Green (#2BAF6A). oklch(64.4% 0.161 151.8), rgb(31, 168, 89).
Aa
Black text reads best on this color (6.80:1).
About this color
#1FA859 is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.161 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade Green (#2BAF6A), ΔE 0.027 away. Black text reads best on it, at 6.80:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Jade Green (#2BAF6A) |
| Black text | 6.80:1 |
| White text | 3.08:1 |
Values
| HEX | #1FA859 |
| RGB | rgb(31, 168, 89) |
| HSL | hsl(145, 69%, 39%) |
| OKLCH | oklch(64.4% 0.161 151.8) |
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 #1FA859 | 3.08:1 | AA large text | Lc -62.6 | Content text, not long reading |
| Black text on #1FA859 | 6.80:1 | AA | Lc 46.8 | Large or bold text, headings |
| #1FA859 text on white | 3.08:1 | AA large text | Lc 57.3 | Large or bold text, headings |
| #1FA859 text on black | 6.80:1 | AA | Lc -44.5 | 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
#F1F8F2
oklch(97.2% 0.011 149.9)
-
Step 100
100
#DFEFE2
oklch(93.7% 0.024 151.2)
-
Step 200
200
#C5E2CB
oklch(88.5% 0.044 151.5)
-
Step 300
300
#9BD0A8
oklch(81% 0.079 151.9)
-
Step 400
400
#5DB779
oklch(70.7% 0.126 152.1)
-
Step 500
500 (this color)
#1FA859
oklch(64.4% 0.161 151.8)
-
Step 600
600
#008A45
oklch(55.5% 0.146 152)
-
Step 700
700
#007539
oklch(49.2% 0.13 151.8)
-
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
#042F15
oklch(26.9% 0.066 152)
#1FA859 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) | #A89953 | 0.136 |
| Deuteranopia (no green cones) | #998E5F | 0.135 |
| Tritanopia (no blue cones) | #00A595 | 0.086 |
| Achromatopsia (no color) | #939393 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1FA859
#1FA859
oklch(64.4% 0.161 151.8)
- #C464B9
#C464B9
oklch(64.5% 0.161 331.7)
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 #1FA859, closest first.
No curated palette has a color within ΔE 0.04 of #1FA859.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade Green #2BAF6A ΔE 0.027
- Seaweed Green #35AD6B ΔE 0.028
- Medium Green #39AD48 ΔE 0.029
- Mid Green #50A747 ΔE 0.029
- Jade #1FA774 ΔE 0.036
- Dark Pastel Green #56AE57 ΔE 0.039
- Algae #54AC68 ΔE 0.041
- Shamrock #01B44C ΔE 0.042
Use #1FA859 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.