#17A438
Closest named color: Kelly Green (#02AB2E). oklch(62.8% 0.185 145.8), rgb(23, 164, 56).
Aa
Black text reads best on this color (6.40:1).
About this color
#17A438 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.185 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.024 away. Black text reads best on it, at 6.40:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.185) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 6.40:1 |
| White text | 3.27:1 |
Values
| HEX | #17A438 |
| RGB | rgb(23, 164, 56) |
| HSL | hsl(134, 75%, 37%) |
| OKLCH | oklch(62.8% 0.185 145.8) |
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 #17A438 | 3.27:1 | AA large text | Lc -64.9 | Content text, not long reading |
| Black text on #17A438 | 6.40:1 | AA | Lc 44.5 | Non-text elements, placeholder text |
| #17A438 text on white | 3.27:1 | AA large text | Lc 59.5 | Large or bold text, headings |
| #17A438 text on black | 6.40:1 | AA | Lc -42.2 | 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
#C5E3C6
oklch(88.6% 0.05 146)
-
Step 300
300
#9BD19D
oklch(80.9% 0.092 145.6)
-
Step 400
400
#5EB867
oklch(70.7% 0.145 145.9)
-
Step 500
500 (this color)
#17A438
oklch(62.8% 0.185 145.8)
-
Step 600
600
#008C2A
oklch(55.7% 0.171 145.8)
-
Step 700
700
#007622
oklch(49.2% 0.151 145.8)
-
Step 800
800
#00601A
oklch(42.5% 0.131 145.8)
-
Step 900
900
#005114
oklch(37.8% 0.117 145.7)
-
Step 950
950
#05300C
oklch(27.1% 0.077 145.7)
#17A438 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) | #A7942B | 0.141 |
| Deuteranopia (no green cones) | #988A42 | 0.140 |
| Tritanopia (no blue cones) | #00A08E | 0.114 |
| Achromatopsia (no color) | #8E8E8E | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17A438
#17A438
oklch(62.8% 0.185 145.8)
- #BF58C3
#BF58C3
oklch(62.7% 0.186 326.1)
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 #17A438, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.024
- Grassy Green #419C03 ΔE 0.030
- Grass Green #3F9B0B ΔE 0.031
- Medium Green #39AD48 ΔE 0.035
- Mid Green #50A747 ΔE 0.039
- Irish Green #019529 ΔE 0.045
- Shamrock #01B44C ΔE 0.046
- Leaf Green #5CA904 ΔE 0.049
Use #17A438 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.