#17C040
Closest named color: Shamrock Green (#02C14D). oklch(70.5% 0.211 145.7), rgb(23, 192, 64).
Aa
Black text reads best on this color (8.65:1).
About this color
#17C040 is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.211 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock Green (#02C14D), ΔE 0.011 away. Black text reads best on it, at 8.65:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.211) |
| Temperature | in between |
| Nearest name | Shamrock Green (#02C14D) |
| Black text | 8.65:1 |
| White text | 2.42:1 |
Values
| HEX | #17C040 |
| RGB | rgb(23, 192, 64) |
| HSL | hsl(135, 79%, 42%) |
| OKLCH | oklch(70.5% 0.211 145.7) |
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 #17C040 | 2.42:1 | Fails | Lc -52.1 | Large or bold text, headings |
| Black text on #17C040 | 8.65:1 | AAA | Lc 56.9 | Large or bold text, headings |
| #17C040 text on white | 2.42:1 | Fails | Lc 47.1 | Large or bold text, headings |
| #17C040 text on black | 8.65:1 | AAA | Lc -54.9 | Large or bold text, headings |
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 400.
-
Step 50
50
#EEF9EE
oklch(97.1% 0.019 145.4)
-
Step 100
100
#DBF1DB
oklch(93.6% 0.037 145.3)
-
Step 200
200
#BBE7BC
oklch(88.6% 0.074 145.5)
-
Step 300
300
#86D78C
oklch(80.8% 0.131 145.9)
-
Step 400
400 (this color)
#17C040
oklch(70.5% 0.211 145.7)
-
Step 500
500
#00A632
oklch(63.1% 0.195 145.7)
-
Step 600
600
#008C29
oklch(55.7% 0.172 145.7)
-
Step 700
700
#007621
oklch(49.2% 0.152 145.7)
-
Step 800
800
#006119
oklch(42.8% 0.133 145.6)
-
Step 900
900
#005114
oklch(37.8% 0.117 145.7)
-
Step 950
950
#003008
oklch(26.9% 0.083 145.6)
#17C040 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) | #C3AD2F | 0.160 |
| Deuteranopia (no green cones) | #B2A24C | 0.158 |
| Tritanopia (no blue cones) | #00BBA6 | 0.130 |
| Achromatopsia (no color) | #A6A6A6 | 0.212 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17C040
#17C040
oklch(70.5% 0.211 145.7)
- #DF67E5
#DF67E5
oklch(70.4% 0.211 325.7)
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 #17C040, closest first.
No curated palette has a color within ΔE 0.04 of #17C040.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock Green #02C14D ΔE 0.011
- Leafy Green #51B73B ΔE 0.032
- Frog Green #58BC08 ΔE 0.033
- Shamrock #01B44C ΔE 0.040
- Lime Green #32CD32 ΔE 0.043
- Algae Green #21C36F ΔE 0.048
- Cool Green #33B864 ΔE 0.050
- Dark Mint Green #20C073 ΔE 0.055
Use #17C040 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.