#17BF66
Closest named color: Algae Green (#21C36F). oklch(70.7% 0.18 152.4), rgb(23, 191, 102).
Aa
Black text reads best on this color (8.68:1).
About this color
#17BF66 is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.180 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae Green (#21C36F), ΔE 0.015 away. Black text reads best on it, at 8.68:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.180) |
| Temperature | in between |
| Nearest name | Algae Green (#21C36F) |
| Black text | 8.68:1 |
| White text | 2.41:1 |
Values
| HEX | #17BF66 |
| RGB | rgb(23, 191, 102) |
| HSL | hsl(148, 79%, 42%) |
| OKLCH | oklch(70.7% 0.18 152.4) |
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 #17BF66 | 2.41:1 | Fails | Lc -52.0 | Large or bold text, headings |
| Black text on #17BF66 | 8.68:1 | AAA | Lc 57.0 | Large or bold text, headings |
| #17BF66 text on white | 2.41:1 | Fails | Lc 47.0 | Large or bold text, headings |
| #17BF66 text on black | 8.68:1 | AAA | Lc -55.0 | 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
#EEF9F1
oklch(97.2% 0.016 154.5)
-
Step 100
100
#DBF1E0
oklch(93.7% 0.032 152.4)
-
Step 200
200
#BBE6C6
oklch(88.6% 0.063 152.8)
-
Step 300
300
#86D69D
oklch(80.9% 0.113 152.4)
-
Step 400
400 (this color)
#17BF66
oklch(70.7% 0.18 152.4)
-
Step 500
500
#00A455
oklch(63% 0.164 152.5)
-
Step 600
600
#008A47
oklch(55.5% 0.144 152.6)
-
Step 700
700
#00743A
oklch(49% 0.128 152.4)
-
Step 800
800
#00602F
oklch(42.8% 0.112 152.4)
-
Step 900
900
#005026
oklch(37.8% 0.099 152.3)
-
Step 950
950
#003014
oklch(27.1% 0.071 152.1)
#17BF66 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) | #BFAE5F | 0.153 |
| Deuteranopia (no green cones) | #AEA26C | 0.150 |
| Tritanopia (no blue cones) | #00BCAA | 0.095 |
| Achromatopsia (no color) | #A7A7A7 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17BF66
#17BF66
oklch(70.7% 0.18 152.4)
- #DF70D1
#DF70D1
oklch(70.6% 0.18 332.2)
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 #17BF66, closest first.
No curated palette has a color within ΔE 0.04 of #17BF66.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae Green #21C36F ΔE 0.015
- Dark Mint Green #20C073 ΔE 0.016
- Cool Green #33B864 ΔE 0.020
- Dark Mint #48C072 ΔE 0.028
- Shamrock Green #02C14D ΔE 0.030
- Shamrock #01B44C ΔE 0.039
- Green Teal #0CB577 ΔE 0.041
- Leafy Green #51B73B ΔE 0.042
Use #17BF66 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.