#1AA340
Closest named color: Kelly Green (#02AB2E). oklch(62.6% 0.178 147), rgb(26, 163, 64).
Aa
Black text reads best on this color (6.35:1).
About this color
#1AA340 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.178 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.031 away. Black text reads best on it, at 6.35:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 6.35:1 |
| White text | 3.30:1 |
Values
| HEX | #1AA340 |
| RGB | rgb(26, 163, 64) |
| HSL | hsl(137, 72%, 37%) |
| OKLCH | oklch(62.6% 0.178 147) |
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 #1AA340 | 3.30:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #1AA340 | 6.35:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #1AA340 text on white | 3.30:1 | AA large text | Lc 59.8 | Large or bold text, headings |
| #1AA340 text on black | 6.35:1 | AA | Lc -41.9 | 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
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#DFEFE0
oklch(93.6% 0.026 147.1)
-
Step 200
200
#C5E2C7
oklch(88.4% 0.048 147.1)
-
Step 300
300
#9BD0A0
oklch(80.8% 0.087 147.2)
-
Step 400
400
#5FB86C
oklch(70.8% 0.139 147.1)
-
Step 500
500 (this color)
#1AA340
oklch(62.6% 0.178 147)
-
Step 600
600
#008B31
oklch(55.5% 0.165 147.1)
-
Step 700
700
#007528
oklch(49% 0.145 147.1)
-
Step 800
800
#00601F
oklch(42.6% 0.127 147)
-
Step 900
900
#005019
oklch(37.6% 0.111 147.2)
-
Step 950
950
#052F0F
oklch(26.8% 0.072 147.4)
#1AA340 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) | #A59436 | 0.137 |
| Deuteranopia (no green cones) | #978948 | 0.138 |
| Tritanopia (no blue cones) | #009F8E | 0.106 |
| Achromatopsia (no color) | #8D8D8D | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1AA340
#1AA340
oklch(62.6% 0.178 147)
- #BE5ABF
#BE5ABF
oklch(62.6% 0.178 327.1)
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 #1AA340, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.031
- Grass Green #3F9B0B ΔE 0.033
- Grassy Green #419C03 ΔE 0.034
- Medium Green #39AD48 ΔE 0.035
- Mid Green #50A747 ΔE 0.036
- Irish Green #019529 ΔE 0.044
- Shamrock #01B44C ΔE 0.048
- Kelley Green #009337 ΔE 0.049
Use #1AA340 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.